Home / 89,896,305.72-134,849,103.21-28,491,988.73

Finding the Fourth Proportional to 89,896,305.72, 134,849,103.21 and 28,491,988.73

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Solution

The fourth proportional to 89,896,305.72, 134,849,103.21 and 28,491,988.73 is: 42,739,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,896,305.72 : 134,849,103.21 = 28,491,988.73 : x
  2. Step 2: Convert to fraction form
    89,896,305.72/134,849,103.21 = 28,491,988.73/x
  3. Step 3: Cross multiply
    89,896,305.72x = 134,849,103.21 × 28,491,988.73
  4. Step 4: Simplify right side
    89,896,305.72x = 3,842,119,128,235,681.50
  5. Step 5: Solve for x
    x = 3,842,119,128,235,681.50/89,896,305.72
  6. Step 6: Final answer
    x = 42,739,455.17

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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.