Home / 89,921,705.01-124,094,961.05-55,107,672.13

Finding the Fourth Proportional to 89,921,705.01, 124,094,961.05 and 55,107,672.13

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Solution

The fourth proportional to 89,921,705.01, 124,094,961.05 and 55,107,672.13 is: 76,050,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921,705.01 : 124,094,961.05 = 55,107,672.13 : x
  2. Step 2: Convert to fraction form
    89,921,705.01/124,094,961.05 = 55,107,672.13/x
  3. Step 3: Cross multiply
    89,921,705.01x = 124,094,961.05 × 55,107,672.13
  4. Step 4: Simplify right side
    89,921,705.01x = 6,838,584,426,528,521
  5. Step 5: Solve for x
    x = 6,838,584,426,528,521/89,921,705.01
  6. Step 6: Final answer
    x = 76,050,431.05

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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.