Home / 100,744,429.60-151,452,567.60-85,963,808.80

Finding the Fourth Proportional to 100,744,429.60, 151,452,567.60 and 85,963,808.80

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Solution

The fourth proportional to 100,744,429.60, 151,452,567.60 and 85,963,808.80 is: 129,232,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,744,429.60 : 151,452,567.60 = 85,963,808.80 : x
  2. Step 2: Convert to fraction form
    100,744,429.60/151,452,567.60 = 85,963,808.80/x
  3. Step 3: Cross multiply
    100,744,429.60x = 151,452,567.60 × 85,963,808.80
  4. Step 4: Simplify right side
    100,744,429.60x = 13,019,439,563,435,474
  5. Step 5: Solve for x
    x = 13,019,439,563,435,474/100,744,429.60
  6. Step 6: Final answer
    x = 129,232,351.76

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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.