Home / 156,342,758.99-234,361,636.25-74,439,630.86

Finding the Fourth Proportional to 156,342,758.99, 234,361,636.25 and 74,439,630.86

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Solution

The fourth proportional to 156,342,758.99, 234,361,636.25 and 74,439,630.86 is: 111,586,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342,758.99 : 234,361,636.25 = 74,439,630.86 : x
  2. Step 2: Convert to fraction form
    156,342,758.99/234,361,636.25 = 74,439,630.86/x
  3. Step 3: Cross multiply
    156,342,758.99x = 234,361,636.25 × 74,439,630.86
  4. Step 4: Simplify right side
    156,342,758.99x = 17,445,793,688,651,590
  5. Step 5: Solve for x
    x = 17,445,793,688,651,590/156,342,758.99
  6. Step 6: Final answer
    x = 111,586,835.25

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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.