Home / 66,109,672.80-99,164,509.20-59,413,516.20

Finding the Fourth Proportional to 66,109,672.80, 99,164,509.20 and 59,413,516.20

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Solution

The fourth proportional to 66,109,672.80, 99,164,509.20 and 59,413,516.20 is: 89,120,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,109,672.80 : 99,164,509.20 = 59,413,516.20 : x
  2. Step 2: Convert to fraction form
    66,109,672.80/99,164,509.20 = 59,413,516.20/x
  3. Step 3: Cross multiply
    66,109,672.80x = 99,164,509.20 × 59,413,516.20
  4. Step 4: Simplify right side
    66,109,672.80x = 5,891,712,173,819,250
  5. Step 5: Solve for x
    x = 5,891,712,173,819,250/66,109,672.80
  6. Step 6: Final answer
    x = 89,120,274.30

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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.