Home / 162,168,342.66-243,341,068.68-68,780,788.48

Finding the Fourth Proportional to 162,168,342.66, 243,341,068.68 and 68,780,788.48

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Solution

The fourth proportional to 162,168,342.66, 243,341,068.68 and 68,780,788.48 is: 103,208,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,168,342.66 : 243,341,068.68 = 68,780,788.48 : x
  2. Step 2: Convert to fraction form
    162,168,342.66/243,341,068.68 = 68,780,788.48/x
  3. Step 3: Cross multiply
    162,168,342.66x = 243,341,068.68 × 68,780,788.48
  4. Step 4: Simplify right side
    162,168,342.66x = 16,737,190,573,376,234
  5. Step 5: Solve for x
    x = 16,737,190,573,376,234/162,168,342.66
  6. Step 6: Final answer
    x = 103,208,741.60

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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.