Home / 425,169,979.92-637,754,977.58-102,053,851.92

Finding the Fourth Proportional to 425,169,979.92, 637,754,977.58 and 102,053,851.92

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Solution

The fourth proportional to 425,169,979.92, 637,754,977.58 and 102,053,851.92 is: 153,080,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,169,979.92 : 637,754,977.58 = 102,053,851.92 : x
  2. Step 2: Convert to fraction form
    425,169,979.92/637,754,977.58 = 102,053,851.92/x
  3. Step 3: Cross multiply
    425,169,979.92x = 637,754,977.58 × 102,053,851.92
  4. Step 4: Simplify right side
    425,169,979.92x = 65,085,352,042,681,976
  5. Step 5: Solve for x
    x = 65,085,352,042,681,976/425,169,979.92
  6. Step 6: Final answer
    x = 153,080,779.73

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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.