Home / 66,433,516.20-99,650,274.30-57,186,442.80

Finding the Fourth Proportional to 66,433,516.20, 99,650,274.30 and 57,186,442.80

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Solution

The fourth proportional to 66,433,516.20, 99,650,274.30 and 57,186,442.80 is: 85,779,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,516.20 : 99,650,274.30 = 57,186,442.80 : x
  2. Step 2: Convert to fraction form
    66,433,516.20/99,650,274.30 = 57,186,442.80/x
  3. Step 3: Cross multiply
    66,433,516.20x = 99,650,274.30 × 57,186,442.80
  4. Step 4: Simplify right side
    66,433,516.20x = 5,698,644,711,261,260
  5. Step 5: Solve for x
    x = 5,698,644,711,261,260/66,433,516.20
  6. Step 6: Final answer
    x = 85,779,664.20

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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.