Home / 162,225,885.39-243,338,830.91-39,403,375.20

Finding the Fourth Proportional to 162,225,885.39, 243,338,830.91 and 39,403,375.20

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Solution

The fourth proportional to 162,225,885.39, 243,338,830.91 and 39,403,375.20 is: 59,105,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,225,885.39 : 243,338,830.91 = 39,403,375.20 : x
  2. Step 2: Convert to fraction form
    162,225,885.39/243,338,830.91 = 39,403,375.20/x
  3. Step 3: Cross multiply
    162,225,885.39x = 243,338,830.91 × 39,403,375.20
  4. Step 4: Simplify right side
    162,225,885.39x = 9,588,371,253,662,376
  5. Step 5: Solve for x
    x = 9,588,371,253,662,376/162,225,885.39
  6. Step 6: Final answer
    x = 59,105,063.48

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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.