Home / 130,403,773.28-179,961,521.68-71,668,520.32

Finding the Fourth Proportional to 130,403,773.28, 179,961,521.68 and 71,668,520.32

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Solution

The fourth proportional to 130,403,773.28, 179,961,521.68 and 71,668,520.32 is: 98,904,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,403,773.28 : 179,961,521.68 = 71,668,520.32 : x
  2. Step 2: Convert to fraction form
    130,403,773.28/179,961,521.68 = 71,668,520.32/x
  3. Step 3: Cross multiply
    130,403,773.28x = 179,961,521.68 × 71,668,520.32
  4. Step 4: Simplify right side
    130,403,773.28x = 12,897,575,973,341,200
  5. Step 5: Solve for x
    x = 12,897,575,973,341,200/130,403,773.28
  6. Step 6: Final answer
    x = 98,904,929.27

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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.