Home / 124,827,207.60-187,240,811.40-76,454,266.80

Finding the Fourth Proportional to 124,827,207.60, 187,240,811.40 and 76,454,266.80

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Solution

The fourth proportional to 124,827,207.60, 187,240,811.40 and 76,454,266.80 is: 114,681,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827,207.60 : 187,240,811.40 = 76,454,266.80 : x
  2. Step 2: Convert to fraction form
    124,827,207.60/187,240,811.40 = 76,454,266.80/x
  3. Step 3: Cross multiply
    124,827,207.60x = 187,240,811.40 × 76,454,266.80
  4. Step 4: Simplify right side
    124,827,207.60x = 14,315,358,950,624,082
  5. Step 5: Solve for x
    x = 14,315,358,950,624,082/124,827,207.60
  6. Step 6: Final answer
    x = 114,681,400.20

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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.