Home / 247,966,802.85-372,004,014.05-75,439,132.31

Finding the Fourth Proportional to 247,966,802.85, 372,004,014.05 and 75,439,132.31

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Solution

The fourth proportional to 247,966,802.85, 372,004,014.05 and 75,439,132.31 is: 113,175,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,966,802.85 : 372,004,014.05 = 75,439,132.31 : x
  2. Step 2: Convert to fraction form
    247,966,802.85/372,004,014.05 = 75,439,132.31/x
  3. Step 3: Cross multiply
    247,966,802.85x = 372,004,014.05 × 75,439,132.31
  4. Step 4: Simplify right side
    247,966,802.85x = 28,063,660,036,604,008
  5. Step 5: Solve for x
    x = 28,063,660,036,604,008/247,966,802.85
  6. Step 6: Final answer
    x = 113,175,069.06

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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.