Home / 103,442,808.60-155,142,440.10-52,276,728.60

Finding the Fourth Proportional to 103,442,808.60, 155,142,440.10 and 52,276,728.60

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Solution

The fourth proportional to 103,442,808.60, 155,142,440.10 and 52,276,728.60 is: 78,404,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,442,808.60 : 155,142,440.10 = 52,276,728.60 : x
  2. Step 2: Convert to fraction form
    103,442,808.60/155,142,440.10 = 52,276,728.60/x
  3. Step 3: Cross multiply
    103,442,808.60x = 155,142,440.10 × 52,276,728.60
  4. Step 4: Simplify right side
    103,442,808.60x = 8,110,339,235,449,457
  5. Step 5: Solve for x
    x = 8,110,339,235,449,457/103,442,808.60
  6. Step 6: Final answer
    x = 78,404,089.61

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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.