Home / 89,679,335.90-123,742,497.15-49,978,195.76

Finding the Fourth Proportional to 89,679,335.90, 123,742,497.15 and 49,978,195.76

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Solution

The fourth proportional to 89,679,335.90, 123,742,497.15 and 49,978,195.76 is: 68,961,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,679,335.90 : 123,742,497.15 = 49,978,195.76 : x
  2. Step 2: Convert to fraction form
    89,679,335.90/123,742,497.15 = 49,978,195.76/x
  3. Step 3: Cross multiply
    89,679,335.90x = 123,742,497.15 × 49,978,195.76
  4. Step 4: Simplify right side
    89,679,335.90x = 6,184,426,746,703,299
  5. Step 5: Solve for x
    x = 6,184,426,746,703,299/89,679,335.90
  6. Step 6: Final answer
    x = 68,961,558.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.