Home / 265,976,307.90-398,964,461.85-71,882,244.90

Finding the Fourth Proportional to 265,976,307.90, 398,964,461.85 and 71,882,244.90

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Solution

The fourth proportional to 265,976,307.90, 398,964,461.85 and 71,882,244.90 is: 107,823,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,976,307.90 : 398,964,461.85 = 71,882,244.90 : x
  2. Step 2: Convert to fraction form
    265,976,307.90/398,964,461.85 = 71,882,244.90/x
  3. Step 3: Cross multiply
    265,976,307.90x = 398,964,461.85 × 71,882,244.90
  4. Step 4: Simplify right side
    265,976,307.90x = 28,678,461,153,098,412
  5. Step 5: Solve for x
    x = 28,678,461,153,098,412/265,976,307.90
  6. Step 6: Final answer
    x = 107,823,367.35

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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.