Home / 67,160,724.80-100,765,970.40-64,672,404.80

Finding the Fourth Proportional to 67,160,724.80, 100,765,970.40 and 64,672,404.80

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Solution

The fourth proportional to 67,160,724.80, 100,765,970.40 and 64,672,404.80 is: 97,032,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,160,724.80 : 100,765,970.40 = 64,672,404.80 : x
  2. Step 2: Convert to fraction form
    67,160,724.80/100,765,970.40 = 64,672,404.80/x
  3. Step 3: Cross multiply
    67,160,724.80x = 100,765,970.40 × 64,672,404.80
  4. Step 4: Simplify right side
    67,160,724.80x = 6,516,777,627,773,618
  5. Step 5: Solve for x
    x = 6,516,777,627,773,618/67,160,724.80
  6. Step 6: Final answer
    x = 97,032,568.47

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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.