Home / 65,801,306.08-90,808,640.04-36,432,639.28

Finding the Fourth Proportional to 65,801,306.08, 90,808,640.04 and 36,432,639.28

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Solution

The fourth proportional to 65,801,306.08, 90,808,640.04 and 36,432,639.28 is: 50,278,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801,306.08 : 90,808,640.04 = 36,432,639.28 : x
  2. Step 2: Convert to fraction form
    65,801,306.08/90,808,640.04 = 36,432,639.28/x
  3. Step 3: Cross multiply
    65,801,306.08x = 90,808,640.04 × 36,432,639.28
  4. Step 4: Simplify right side
    65,801,306.08x = 3,308,398,426,084,685
  5. Step 5: Solve for x
    x = 3,308,398,426,084,685/65,801,306.08
  6. Step 6: Final answer
    x = 50,278,613.35

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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.