Home / 123,527,258.40-185,164,916.40-72,382,951.20

Finding the Fourth Proportional to 123,527,258.40, 185,164,916.40 and 72,382,951.20

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Solution

The fourth proportional to 123,527,258.40, 185,164,916.40 and 72,382,951.20 is: 108,500,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,527,258.40 : 185,164,916.40 = 72,382,951.20 : x
  2. Step 2: Convert to fraction form
    123,527,258.40/185,164,916.40 = 72,382,951.20/x
  3. Step 3: Cross multiply
    123,527,258.40x = 185,164,916.40 × 72,382,951.20
  4. Step 4: Simplify right side
    123,527,258.40x = 13,402,783,107,733,280
  5. Step 5: Solve for x
    x = 13,402,783,107,733,280/123,527,258.40
  6. Step 6: Final answer
    x = 108,500,611.78

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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.