Home / 136,818,099.39-205,554,552.78-87,730,127.15

Finding the Fourth Proportional to 136,818,099.39, 205,554,552.78 and 87,730,127.15

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Solution

The fourth proportional to 136,818,099.39, 205,554,552.78 and 87,730,127.15 is: 131,805,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,818,099.39 : 205,554,552.78 = 87,730,127.15 : x
  2. Step 2: Convert to fraction form
    136,818,099.39/205,554,552.78 = 87,730,127.15/x
  3. Step 3: Cross multiply
    136,818,099.39x = 205,554,552.78 × 87,730,127.15
  4. Step 4: Simplify right side
    136,818,099.39x = 18,033,327,050,623,012
  5. Step 5: Solve for x
    x = 18,033,327,050,623,012/136,818,099.39
  6. Step 6: Final answer
    x = 131,805,127.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.