Home / 72,542,094.30-108,671,423.85-43,702,562.70

Finding the Fourth Proportional to 72,542,094.30, 108,671,423.85 and 43,702,562.70

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Solution

The fourth proportional to 72,542,094.30, 108,671,423.85 and 43,702,562.70 is: 65,468,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,542,094.30 : 108,671,423.85 = 43,702,562.70 : x
  2. Step 2: Convert to fraction form
    72,542,094.30/108,671,423.85 = 43,702,562.70/x
  3. Step 3: Cross multiply
    72,542,094.30x = 108,671,423.85 × 43,702,562.70
  4. Step 4: Simplify right side
    72,542,094.30x = 4,749,219,714,502,900
  5. Step 5: Solve for x
    x = 4,749,219,714,502,900/72,542,094.30
  6. Step 6: Final answer
    x = 65,468,467.11

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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.