Home / 59,899,989.92-89,863,443.12-18,961,884.08

Finding the Fourth Proportional to 59,899,989.92, 89,863,443.12 and 18,961,884.08

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Solution

The fourth proportional to 59,899,989.92, 89,863,443.12 and 18,961,884.08 is: 28,447,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,899,989.92 : 89,863,443.12 = 18,961,884.08 : x
  2. Step 2: Convert to fraction form
    59,899,989.92/89,863,443.12 = 18,961,884.08/x
  3. Step 3: Cross multiply
    59,899,989.92x = 89,863,443.12 × 18,961,884.08
  4. Step 4: Simplify right side
    59,899,989.92x = 1,703,980,191,471,113.50
  5. Step 5: Solve for x
    x = 1,703,980,191,471,113.50/59,899,989.92
  6. Step 6: Final answer
    x = 28,447,086.45

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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.