Home / 89,865,331.54-134,816,312.22-40,657,549.05

Finding the Fourth Proportional to 89,865,331.54, 134,816,312.22 and 40,657,549.05

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Solution

The fourth proportional to 89,865,331.54, 134,816,312.22 and 40,657,549.05 is: 60,994,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,865,331.54 : 134,816,312.22 = 40,657,549.05 : x
  2. Step 2: Convert to fraction form
    89,865,331.54/134,816,312.22 = 40,657,549.05/x
  3. Step 3: Cross multiply
    89,865,331.54x = 134,816,312.22 × 40,657,549.05
  4. Step 4: Simplify right side
    89,865,331.54x = 5,481,300,826,672,298
  5. Step 5: Solve for x
    x = 5,481,300,826,672,298/89,865,331.54
  6. Step 6: Final answer
    x = 60,994,609.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.