Home / 135,615,141.45-187,146,690.71-73,737,038.25

Finding the Fourth Proportional to 135,615,141.45, 187,146,690.71 and 73,737,038.25

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Solution

The fourth proportional to 135,615,141.45, 187,146,690.71 and 73,737,038.25 is: 101,755,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,615,141.45 : 187,146,690.71 = 73,737,038.25 : x
  2. Step 2: Convert to fraction form
    135,615,141.45/187,146,690.71 = 73,737,038.25/x
  3. Step 3: Cross multiply
    135,615,141.45x = 187,146,690.71 × 73,737,038.25
  4. Step 4: Simplify right side
    135,615,141.45x = 13,799,642,690,875,506
  5. Step 5: Solve for x
    x = 13,799,642,690,875,506/135,615,141.45
  6. Step 6: Final answer
    x = 101,755,914.15

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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.