Home / 99,962,924.66-137,947,816.14-55,909,818.35

Finding the Fourth Proportional to 99,962,924.66, 137,947,816.14 and 55,909,818.35

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Solution

The fourth proportional to 99,962,924.66, 137,947,816.14 and 55,909,818.35 is: 77,154,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,962,924.66 : 137,947,816.14 = 55,909,818.35 : x
  2. Step 2: Convert to fraction form
    99,962,924.66/137,947,816.14 = 55,909,818.35/x
  3. Step 3: Cross multiply
    99,962,924.66x = 137,947,816.14 × 55,909,818.35
  4. Step 4: Simplify right side
    99,962,924.66x = 7,712,637,342,098,715
  5. Step 5: Solve for x
    x = 7,712,637,342,098,715/99,962,924.66
  6. Step 6: Final answer
    x = 77,154,978.89

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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.