Home / 325,656,613.56-488,482,432.02-83,319,128.76

Finding the Fourth Proportional to 325,656,613.56, 488,482,432.02 and 83,319,128.76

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Solution

The fourth proportional to 325,656,613.56, 488,482,432.02 and 83,319,128.76 is: 124,978,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,656,613.56 : 488,482,432.02 = 83,319,128.76 : x
  2. Step 2: Convert to fraction form
    325,656,613.56/488,482,432.02 = 83,319,128.76/x
  3. Step 3: Cross multiply
    325,656,613.56x = 488,482,432.02 × 83,319,128.76
  4. Step 4: Simplify right side
    325,656,613.56x = 40,699,930,650,472,328
  5. Step 5: Solve for x
    x = 40,699,930,650,472,328/325,656,613.56
  6. Step 6: Final answer
    x = 124,978,056.50

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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.