Home / 102,155,123.70-153,232,685.55-67,965,606.90

Finding the Fourth Proportional to 102,155,123.70, 153,232,685.55 and 67,965,606.90

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Solution

The fourth proportional to 102,155,123.70, 153,232,685.55 and 67,965,606.90 is: 101,948,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,123.70 : 153,232,685.55 = 67,965,606.90 : x
  2. Step 2: Convert to fraction form
    102,155,123.70/153,232,685.55 = 67,965,606.90/x
  3. Step 3: Cross multiply
    102,155,123.70x = 153,232,685.55 × 67,965,606.90
  4. Step 4: Simplify right side
    102,155,123.70x = 10,414,552,470,322,612
  5. Step 5: Solve for x
    x = 10,414,552,470,322,612/102,155,123.70
  6. Step 6: Final answer
    x = 101,948,410.35

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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.