Home / 66,440,296.80-99,660,445.20-39,118,543.20

Finding the Fourth Proportional to 66,440,296.80, 99,660,445.20 and 39,118,543.20

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Solution

The fourth proportional to 66,440,296.80, 99,660,445.20 and 39,118,543.20 is: 58,677,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440,296.80 : 99,660,445.20 = 39,118,543.20 : x
  2. Step 2: Convert to fraction form
    66,440,296.80/99,660,445.20 = 39,118,543.20/x
  3. Step 3: Cross multiply
    66,440,296.80x = 99,660,445.20 × 39,118,543.20
  4. Step 4: Simplify right side
    66,440,296.80x = 3,898,571,430,887,433
  5. Step 5: Solve for x
    x = 3,898,571,430,887,433/66,440,296.80
  6. Step 6: Final answer
    x = 58,677,814.80

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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.