Home / 105,353,939,563.08-145,388,544,197.45-57,181,992,725.82

Finding the Fourth Proportional to 105,353,939,563.08, 145,388,544,197.45 and 57,181,992,725.82

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Solution

The fourth proportional to 105,353,939,563.08, 145,388,544,197.45 and 57,181,992,725.82 is: 78,911,208,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,353,939,563.08 : 145,388,544,197.45 = 57,181,992,725.82 : x
  2. Step 2: Convert to fraction form
    105,353,939,563.08/145,388,544,197.45 = 57,181,992,725.82/x
  3. Step 3: Cross multiply
    105,353,939,563.08x = 145,388,544,197.45 × 57,181,992,725.82
  4. Step 4: Simplify right side
    105,353,939,563.08x = 8,313,606,676,716,145,606,656
  5. Step 5: Solve for x
    x = 8,313,606,676,716,145,606,656/105,353,939,563.08
  6. Step 6: Final answer
    x = 78,911,208,362.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.