Home / 81,037,017-111,841,756.02-46,221,726.60

Finding the Fourth Proportional to 81,037,017, 111,841,756.02 and 46,221,726.60

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Solution

The fourth proportional to 81,037,017, 111,841,756.02 and 46,221,726.60 is: 63,792,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,037,017 : 111,841,756.02 = 46,221,726.60 : x
  2. Step 2: Convert to fraction form
    81,037,017/111,841,756.02 = 46,221,726.60/x
  3. Step 3: Cross multiply
    81,037,017x = 111,841,756.02 × 46,221,726.60
  4. Step 4: Simplify right side
    81,037,017x = 5,169,519,069,220,344
  5. Step 5: Solve for x
    x = 5,169,519,069,220,344/81,037,017
  6. Step 6: Final answer
    x = 63,792,070.10

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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.