Home / 89,724,584.80-134,586,877.20-29,146,434.40

Finding the Fourth Proportional to 89,724,584.80, 134,586,877.20 and 29,146,434.40

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Solution

The fourth proportional to 89,724,584.80, 134,586,877.20 and 29,146,434.40 is: 43,719,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,724,584.80 : 134,586,877.20 = 29,146,434.40 : x
  2. Step 2: Convert to fraction form
    89,724,584.80/134,586,877.20 = 29,146,434.40/x
  3. Step 3: Cross multiply
    89,724,584.80x = 134,586,877.20 × 29,146,434.40
  4. Step 4: Simplify right side
    89,724,584.80x = 3,922,727,587,410,655
  5. Step 5: Solve for x
    x = 3,922,727,587,410,655/89,724,584.80
  6. Step 6: Final answer
    x = 43,719,651.60

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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.