Home / 89,733,661.12-123,832,540-48,480,586.32

Finding the Fourth Proportional to 89,733,661.12, 123,832,540 and 48,480,586.32

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Solution

The fourth proportional to 89,733,661.12, 123,832,540 and 48,480,586.32 is: 66,903,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,733,661.12 : 123,832,540 = 48,480,586.32 : x
  2. Step 2: Convert to fraction form
    89,733,661.12/123,832,540 = 48,480,586.32/x
  3. Step 3: Cross multiply
    89,733,661.12x = 123,832,540 × 48,480,586.32
  4. Step 4: Simplify right side
    89,733,661.12x = 6,003,474,144,694,853
  5. Step 5: Solve for x
    x = 6,003,474,144,694,853/89,733,661.12
  6. Step 6: Final answer
    x = 66,903,256.48

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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.