Home / 189,781,545.76-284,684,809.16-49,725,432.40

Finding the Fourth Proportional to 189,781,545.76, 284,684,809.16 and 49,725,432.40

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Solution

The fourth proportional to 189,781,545.76, 284,684,809.16 and 49,725,432.40 is: 74,591,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,781,545.76 : 284,684,809.16 = 49,725,432.40 : x
  2. Step 2: Convert to fraction form
    189,781,545.76/284,684,809.16 = 49,725,432.40/x
  3. Step 3: Cross multiply
    189,781,545.76x = 284,684,809.16 × 49,725,432.40
  4. Step 4: Simplify right side
    189,781,545.76x = 14,156,075,233,192,482
  5. Step 5: Solve for x
    x = 14,156,075,233,192,482/189,781,545.76
  6. Step 6: Final answer
    x = 74,591,421.29

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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.