Home / 60,689,615.40-91,034,423.10-42,195,468.60

Finding the Fourth Proportional to 60,689,615.40, 91,034,423.10 and 42,195,468.60

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Solution

The fourth proportional to 60,689,615.40, 91,034,423.10 and 42,195,468.60 is: 63,293,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689,615.40 : 91,034,423.10 = 42,195,468.60 : x
  2. Step 2: Convert to fraction form
    60,689,615.40/91,034,423.10 = 42,195,468.60/x
  3. Step 3: Cross multiply
    60,689,615.40x = 91,034,423.10 × 42,195,468.60
  4. Step 4: Simplify right side
    60,689,615.40x = 3,841,240,141,435,164.50
  5. Step 5: Solve for x
    x = 3,841,240,141,435,164.50/60,689,615.40
  6. Step 6: Final answer
    x = 63,293,202.90

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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.