Home / 134,755,740.40-185,963,482.15-72,876,078.97

Finding the Fourth Proportional to 134,755,740.40, 185,963,482.15 and 72,876,078.97

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Solution

The fourth proportional to 134,755,740.40, 185,963,482.15 and 72,876,078.97 is: 100,569,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,740.40 : 185,963,482.15 = 72,876,078.97 : x
  2. Step 2: Convert to fraction form
    134,755,740.40/185,963,482.15 = 72,876,078.97/x
  3. Step 3: Cross multiply
    134,755,740.40x = 185,963,482.15 × 72,876,078.97
  4. Step 4: Simplify right side
    134,755,740.40x = 13,552,289,409,689,182
  5. Step 5: Solve for x
    x = 13,552,289,409,689,182/134,755,740.40
  6. Step 6: Final answer
    x = 100,569,292.03

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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.