Home / 265,976,309.40-398,964,464.10-71,882,246.40

Finding the Fourth Proportional to 265,976,309.40, 398,964,464.10 and 71,882,246.40

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Solution

The fourth proportional to 265,976,309.40, 398,964,464.10 and 71,882,246.40 is: 107,823,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,976,309.40 : 398,964,464.10 = 71,882,246.40 : x
  2. Step 2: Convert to fraction form
    265,976,309.40/398,964,464.10 = 71,882,246.40/x
  3. Step 3: Cross multiply
    265,976,309.40x = 398,964,464.10 × 71,882,246.40
  4. Step 4: Simplify right side
    265,976,309.40x = 28,678,461,913,280,160
  5. Step 5: Solve for x
    x = 28,678,461,913,280,160/265,976,309.40
  6. Step 6: Final answer
    x = 107,823,369.60

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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.