Home / 89,686,732-123,767,688.92-48,433,623.16

Finding the Fourth Proportional to 89,686,732, 123,767,688.92 and 48,433,623.16

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Solution

The fourth proportional to 89,686,732, 123,767,688.92 and 48,433,623.16 is: 66,838,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,686,732 : 123,767,688.92 = 48,433,623.16 : x
  2. Step 2: Convert to fraction form
    89,686,732/123,767,688.92 = 48,433,623.16/x
  3. Step 3: Cross multiply
    89,686,732x = 123,767,688.92 × 48,433,623.16
  4. Step 4: Simplify right side
    89,686,732x = 5,994,517,604,535,387
  5. Step 5: Solve for x
    x = 5,994,517,604,535,387/89,686,732
  6. Step 6: Final answer
    x = 66,838,399.29

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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.