Home / 105,353,939,619.26-145,388,544,275.14-57,181,992,782.18

Finding the Fourth Proportional to 105,353,939,619.26, 145,388,544,275.14 and 57,181,992,782.18

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Solution

The fourth proportional to 105,353,939,619.26, 145,388,544,275.14 and 57,181,992,782.18 is: 78,911,208,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,353,939,619.26 : 145,388,544,275.14 = 57,181,992,782.18 : x
  2. Step 2: Convert to fraction form
    105,353,939,619.26/145,388,544,275.14 = 57,181,992,782.18/x
  3. Step 3: Cross multiply
    105,353,939,619.26x = 145,388,544,275.14 × 57,181,992,782.18
  4. Step 4: Simplify right side
    105,353,939,619.26x = 8,313,606,689,351,987,625,984
  5. Step 5: Solve for x
    x = 8,313,606,689,351,987,625,984/105,353,939,619.26
  6. Step 6: Final answer
    x = 78,911,208,440.77

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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.