Home / 424,142,117.40-636,213,176.10-220,068,773.40

Finding the Fourth Proportional to 424,142,117.40, 636,213,176.10 and 220,068,773.40

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Solution

The fourth proportional to 424,142,117.40, 636,213,176.10 and 220,068,773.40 is: 330,103,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,142,117.40 : 636,213,176.10 = 220,068,773.40 : x
  2. Step 2: Convert to fraction form
    424,142,117.40/636,213,176.10 = 220,068,773.40/x
  3. Step 3: Cross multiply
    424,142,117.40x = 636,213,176.10 × 220,068,773.40
  4. Step 4: Simplify right side
    424,142,117.40x = 140,010,653,285,245,200
  5. Step 5: Solve for x
    x = 140,010,653,285,245,200/424,142,117.40
  6. Step 6: Final answer
    x = 330,103,160.10

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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.