Home / 115,359,459.80-159,185,966.85-68,308,092.32

Finding the Fourth Proportional to 115,359,459.80, 159,185,966.85 and 68,308,092.32

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Solution

The fourth proportional to 115,359,459.80, 159,185,966.85 and 68,308,092.32 is: 94,259,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,359,459.80 : 159,185,966.85 = 68,308,092.32 : x
  2. Step 2: Convert to fraction form
    115,359,459.80/159,185,966.85 = 68,308,092.32/x
  3. Step 3: Cross multiply
    115,359,459.80x = 159,185,966.85 × 68,308,092.32
  4. Step 4: Simplify right side
    115,359,459.80x = 10,873,689,718,842,328
  5. Step 5: Solve for x
    x = 10,873,689,718,842,328/115,359,459.80
  6. Step 6: Final answer
    x = 94,259,194.16

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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.