Home / 72,495,230.10-108,742,845.15-69,708,311.70

Finding the Fourth Proportional to 72,495,230.10, 108,742,845.15 and 69,708,311.70

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Solution

The fourth proportional to 72,495,230.10, 108,742,845.15 and 69,708,311.70 is: 104,562,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,495,230.10 : 108,742,845.15 = 69,708,311.70 : x
  2. Step 2: Convert to fraction form
    72,495,230.10/108,742,845.15 = 69,708,311.70/x
  3. Step 3: Cross multiply
    72,495,230.10x = 108,742,845.15 × 69,708,311.70
  4. Step 4: Simplify right side
    72,495,230.10x = 7,580,280,144,861,034
  5. Step 5: Solve for x
    x = 7,580,280,144,861,034/72,495,230.10
  6. Step 6: Final answer
    x = 104,562,467.55

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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.