Home / 139,968,508.10-209,952,762.15-49,080,287.30

Finding the Fourth Proportional to 139,968,508.10, 209,952,762.15 and 49,080,287.30

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Solution

The fourth proportional to 139,968,508.10, 209,952,762.15 and 49,080,287.30 is: 73,620,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,508.10 : 209,952,762.15 = 49,080,287.30 : x
  2. Step 2: Convert to fraction form
    139,968,508.10/209,952,762.15 = 49,080,287.30/x
  3. Step 3: Cross multiply
    139,968,508.10x = 209,952,762.15 × 49,080,287.30
  4. Step 4: Simplify right side
    139,968,508.10x = 10,304,541,885,750,566
  5. Step 5: Solve for x
    x = 10,304,541,885,750,566/139,968,508.10
  6. Step 6: Final answer
    x = 73,620,430.95

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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.