Home / 156,020,999.10-234,031,498.65-79,493,495.10

Finding the Fourth Proportional to 156,020,999.10, 234,031,498.65 and 79,493,495.10

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Solution

The fourth proportional to 156,020,999.10, 234,031,498.65 and 79,493,495.10 is: 119,240,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,020,999.10 : 234,031,498.65 = 79,493,495.10 : x
  2. Step 2: Convert to fraction form
    156,020,999.10/234,031,498.65 = 79,493,495.10/x
  3. Step 3: Cross multiply
    156,020,999.10x = 234,031,498.65 × 79,493,495.10
  4. Step 4: Simplify right side
    156,020,999.10x = 18,603,981,791,179,432
  5. Step 5: Solve for x
    x = 18,603,981,791,179,432/156,020,999.10
  6. Step 6: Final answer
    x = 119,240,242.65

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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.