Home / 66,237,807.60-99,356,711.40-29,887,243.20

Finding the Fourth Proportional to 66,237,807.60, 99,356,711.40 and 29,887,243.20

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Solution

The fourth proportional to 66,237,807.60, 99,356,711.40 and 29,887,243.20 is: 44,830,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237,807.60 : 99,356,711.40 = 29,887,243.20 : x
  2. Step 2: Convert to fraction form
    66,237,807.60/99,356,711.40 = 29,887,243.20/x
  3. Step 3: Cross multiply
    66,237,807.60x = 99,356,711.40 × 29,887,243.20
  4. Step 4: Simplify right side
    66,237,807.60x = 2,969,498,197,164,012.50
  5. Step 5: Solve for x
    x = 2,969,498,197,164,012.50/66,237,807.60
  6. Step 6: Final answer
    x = 44,830,864.80

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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.