Home / 99,885,954.12-149,829,123.84-38,504,018.40

Finding the Fourth Proportional to 99,885,954.12, 149,829,123.84 and 38,504,018.40

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Solution

The fourth proportional to 99,885,954.12, 149,829,123.84 and 38,504,018.40 is: 57,756,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,885,954.12 : 149,829,123.84 = 38,504,018.40 : x
  2. Step 2: Convert to fraction form
    99,885,954.12/149,829,123.84 = 38,504,018.40/x
  3. Step 3: Cross multiply
    99,885,954.12x = 149,829,123.84 × 38,504,018.40
  4. Step 4: Simplify right side
    99,885,954.12x = 5,769,023,341,191,239
  5. Step 5: Solve for x
    x = 5,769,023,341,191,239/99,885,954.12
  6. Step 6: Final answer
    x = 57,756,101.87

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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.