Home / 89,401,963.96-123,346,981.92-52,205,412.07

Finding the Fourth Proportional to 89,401,963.96, 123,346,981.92 and 52,205,412.07

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Solution

The fourth proportional to 89,401,963.96, 123,346,981.92 and 52,205,412.07 is: 72,027,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,401,963.96 : 123,346,981.92 = 52,205,412.07 : x
  2. Step 2: Convert to fraction form
    89,401,963.96/123,346,981.92 = 52,205,412.07/x
  3. Step 3: Cross multiply
    89,401,963.96x = 123,346,981.92 × 52,205,412.07
  4. Step 4: Simplify right side
    89,401,963.96x = 6,439,380,018,724,440
  5. Step 5: Solve for x
    x = 6,439,380,018,724,440/89,401,963.96
  6. Step 6: Final answer
    x = 72,027,276.96

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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.