Home / 220,626,446.49-304,460,781.89-121,516,423.56

Finding the Fourth Proportional to 220,626,446.49, 304,460,781.89 and 121,516,423.56

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Solution

The fourth proportional to 220,626,446.49, 304,460,781.89 and 121,516,423.56 is: 167,690,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,626,446.49 : 304,460,781.89 = 121,516,423.56 : x
  2. Step 2: Convert to fraction form
    220,626,446.49/304,460,781.89 = 121,516,423.56/x
  3. Step 3: Cross multiply
    220,626,446.49x = 304,460,781.89 × 121,516,423.56
  4. Step 4: Simplify right side
    220,626,446.49x = 36,996,985,328,946,432
  5. Step 5: Solve for x
    x = 36,996,985,328,946,432/220,626,446.49
  6. Step 6: Final answer
    x = 167,690,618.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.