Home / 130,534,480.46-180,137,675.01-71,801,613.74

Finding the Fourth Proportional to 130,534,480.46, 180,137,675.01 and 71,801,613.74

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Solution

The fourth proportional to 130,534,480.46, 180,137,675.01 and 71,801,613.74 is: 99,086,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,534,480.46 : 180,137,675.01 = 71,801,613.74 : x
  2. Step 2: Convert to fraction form
    130,534,480.46/180,137,675.01 = 71,801,613.74/x
  3. Step 3: Cross multiply
    130,534,480.46x = 180,137,675.01 × 71,801,613.74
  4. Step 4: Simplify right side
    130,534,480.46x = 12,934,175,761,809,272
  5. Step 5: Solve for x
    x = 12,934,175,761,809,272/130,534,480.46
  6. Step 6: Final answer
    x = 99,086,277.56

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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.