Home / 99,424,226.96-137,209,691.04-55,371,225.32

Finding the Fourth Proportional to 99,424,226.96, 137,209,691.04 and 55,371,225.32

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Solution

The fourth proportional to 99,424,226.96, 137,209,691.04 and 55,371,225.32 is: 76,414,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,424,226.96 : 137,209,691.04 = 55,371,225.32 : x
  2. Step 2: Convert to fraction form
    99,424,226.96/137,209,691.04 = 55,371,225.32/x
  3. Step 3: Cross multiply
    99,424,226.96x = 137,209,691.04 × 55,371,225.32
  4. Step 4: Simplify right side
    99,424,226.96x = 7,597,468,718,663,425
  5. Step 5: Solve for x
    x = 7,597,468,718,663,425/99,424,226.96
  6. Step 6: Final answer
    x = 76,414,662.21

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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.