Home / 105,439,228.62-158,154,217.29-28,762,002.78

Finding the Fourth Proportional to 105,439,228.62, 158,154,217.29 and 28,762,002.78

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Solution

The fourth proportional to 105,439,228.62, 158,154,217.29 and 28,762,002.78 is: 43,141,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,439,228.62 : 158,154,217.29 = 28,762,002.78 : x
  2. Step 2: Convert to fraction form
    105,439,228.62/158,154,217.29 = 28,762,002.78/x
  3. Step 3: Cross multiply
    105,439,228.62x = 158,154,217.29 × 28,762,002.78
  4. Step 4: Simplify right side
    105,439,228.62x = 4,548,832,037,363,704
  5. Step 5: Solve for x
    x = 4,548,832,037,363,704/105,439,228.62
  6. Step 6: Final answer
    x = 43,141,742.38

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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.