Home / 124,811,379.40-187,217,069.10-56,786,931.40

Finding the Fourth Proportional to 124,811,379.40, 187,217,069.10 and 56,786,931.40

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Solution

The fourth proportional to 124,811,379.40, 187,217,069.10 and 56,786,931.40 is: 85,180,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,811,379.40 : 187,217,069.10 = 56,786,931.40 : x
  2. Step 2: Convert to fraction form
    124,811,379.40/187,217,069.10 = 56,786,931.40/x
  3. Step 3: Cross multiply
    124,811,379.40x = 187,217,069.10 × 56,786,931.40
  4. Step 4: Simplify right side
    124,811,379.40x = 10,631,482,859,890,760
  5. Step 5: Solve for x
    x = 10,631,482,859,890,760/124,811,379.40
  6. Step 6: Final answer
    x = 85,180,397.10

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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.