Home / 66,108,672.60-99,163,008.90-40,242,586.20

Finding the Fourth Proportional to 66,108,672.60, 99,163,008.90 and 40,242,586.20

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Solution

The fourth proportional to 66,108,672.60, 99,163,008.90 and 40,242,586.20 is: 60,363,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,108,672.60 : 99,163,008.90 = 40,242,586.20 : x
  2. Step 2: Convert to fraction form
    66,108,672.60/99,163,008.90 = 40,242,586.20/x
  3. Step 3: Cross multiply
    66,108,672.60x = 99,163,008.90 × 40,242,586.20
  4. Step 4: Simplify right side
    66,108,672.60x = 3,990,575,933,509,617.50
  5. Step 5: Solve for x
    x = 3,990,575,933,509,617.50/66,108,672.60
  6. Step 6: Final answer
    x = 60,363,879.30

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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.