Home / 124,064,585.20-186,096,877.80-78,148,082.80

Finding the Fourth Proportional to 124,064,585.20, 186,096,877.80 and 78,148,082.80

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Solution

The fourth proportional to 124,064,585.20, 186,096,877.80 and 78,148,082.80 is: 117,222,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064,585.20 : 186,096,877.80 = 78,148,082.80 : x
  2. Step 2: Convert to fraction form
    124,064,585.20/186,096,877.80 = 78,148,082.80/x
  3. Step 3: Cross multiply
    124,064,585.20x = 186,096,877.80 × 78,148,082.80
  4. Step 4: Simplify right side
    124,064,585.20x = 14,543,114,215,135,882
  5. Step 5: Solve for x
    x = 14,543,114,215,135,882/124,064,585.20
  6. Step 6: Final answer
    x = 117,222,124.20

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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.