Home / 198,153,092.40-297,229,638.60-52,609,117.20

Finding the Fourth Proportional to 198,153,092.40, 297,229,638.60 and 52,609,117.20

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Solution

The fourth proportional to 198,153,092.40, 297,229,638.60 and 52,609,117.20 is: 78,913,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,153,092.40 : 297,229,638.60 = 52,609,117.20 : x
  2. Step 2: Convert to fraction form
    198,153,092.40/297,229,638.60 = 52,609,117.20/x
  3. Step 3: Cross multiply
    198,153,092.40x = 297,229,638.60 × 52,609,117.20
  4. Step 4: Simplify right side
    198,153,092.40x = 15,636,988,892,421,046
  5. Step 5: Solve for x
    x = 15,636,988,892,421,046/198,153,092.40
  6. Step 6: Final answer
    x = 78,913,675.80

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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.