Home / 66,467,346.60-99,479,835.90-48,219,666.60

Finding the Fourth Proportional to 66,467,346.60, 99,479,835.90 and 48,219,666.60

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Solution

The fourth proportional to 66,467,346.60, 99,479,835.90 and 48,219,666.60 is: 72,169,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467,346.60 : 99,479,835.90 = 48,219,666.60 : x
  2. Step 2: Convert to fraction form
    66,467,346.60/99,479,835.90 = 48,219,666.60/x
  3. Step 3: Cross multiply
    66,467,346.60x = 99,479,835.90 × 48,219,666.60
  4. Step 4: Simplify right side
    66,467,346.60x = 4,796,884,520,520,711
  5. Step 5: Solve for x
    x = 4,796,884,520,520,711/66,467,346.60
  6. Step 6: Final answer
    x = 72,169,038.87

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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.