Home / 71,087,871.11-98,101,395.07-39,725,920.13

Finding the Fourth Proportional to 71,087,871.11, 98,101,395.07 and 39,725,920.13

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Solution

The fourth proportional to 71,087,871.11, 98,101,395.07 and 39,725,920.13 is: 54,821,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,087,871.11 : 98,101,395.07 = 39,725,920.13 : x
  2. Step 2: Convert to fraction form
    71,087,871.11/98,101,395.07 = 39,725,920.13/x
  3. Step 3: Cross multiply
    71,087,871.11x = 98,101,395.07 × 39,725,920.13
  4. Step 4: Simplify right side
    71,087,871.11x = 3,897,168,185,471,968
  5. Step 5: Solve for x
    x = 3,897,168,185,471,968/71,087,871.11
  6. Step 6: Final answer
    x = 54,821,844.08

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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.