Home / 97,987,689.72-147,002,790.78-29,828,610

Finding the Fourth Proportional to 97,987,689.72, 147,002,790.78 and 29,828,610

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Solution

The fourth proportional to 97,987,689.72, 147,002,790.78 and 29,828,610 is: 44,749,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,987,689.72 : 147,002,790.78 = 29,828,610 : x
  2. Step 2: Convert to fraction form
    97,987,689.72/147,002,790.78 = 29,828,610/x
  3. Step 3: Cross multiply
    97,987,689.72x = 147,002,790.78 × 29,828,610
  4. Step 4: Simplify right side
    97,987,689.72x = 4,384,888,915,088,216
  5. Step 5: Solve for x
    x = 4,384,888,915,088,216/97,987,689.72
  6. Step 6: Final answer
    x = 44,749,385.64

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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.