Home / 105,353,939,559.96-145,388,544,193.18-57,181,992,722.71

Finding the Fourth Proportional to 105,353,939,559.96, 145,388,544,193.18 and 57,181,992,722.71

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Solution

The fourth proportional to 105,353,939,559.96, 145,388,544,193.18 and 57,181,992,722.71 is: 78,911,208,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,353,939,559.96 : 145,388,544,193.18 = 57,181,992,722.71 : x
  2. Step 2: Convert to fraction form
    105,353,939,559.96/145,388,544,193.18 = 57,181,992,722.71/x
  3. Step 3: Cross multiply
    105,353,939,559.96x = 145,388,544,193.18 × 57,181,992,722.71
  4. Step 4: Simplify right side
    105,353,939,559.96x = 8,313,606,676,019,819,839,488
  5. Step 5: Solve for x
    x = 8,313,606,676,019,819,839,488/105,353,939,559.96
  6. Step 6: Final answer
    x = 78,911,208,358.64

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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.