Home / 309,878,843.20-464,818,264.80-82,944,059.20

Finding the Fourth Proportional to 309,878,843.20, 464,818,264.80 and 82,944,059.20

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Solution

The fourth proportional to 309,878,843.20, 464,818,264.80 and 82,944,059.20 is: 124,416,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,878,843.20 : 464,818,264.80 = 82,944,059.20 : x
  2. Step 2: Convert to fraction form
    309,878,843.20/464,818,264.80 = 82,944,059.20/x
  3. Step 3: Cross multiply
    309,878,843.20x = 464,818,264.80 × 82,944,059.20
  4. Step 4: Simplify right side
    309,878,843.20x = 38,553,913,672,812,480
  5. Step 5: Solve for x
    x = 38,553,913,672,812,480/309,878,843.20
  6. Step 6: Final answer
    x = 124,416,088.80

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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.