Home / 83,209,615.40-124,764,656.70-42,898,831.40

Finding the Fourth Proportional to 83,209,615.40, 124,764,656.70 and 42,898,831.40

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Solution

The fourth proportional to 83,209,615.40, 124,764,656.70 and 42,898,831.40 is: 64,322,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209,615.40 : 124,764,656.70 = 42,898,831.40 : x
  2. Step 2: Convert to fraction form
    83,209,615.40/124,764,656.70 = 42,898,831.40/x
  3. Step 3: Cross multiply
    83,209,615.40x = 124,764,656.70 × 42,898,831.40
  4. Step 4: Simplify right side
    83,209,615.40x = 5,352,257,972,452,180
  5. Step 5: Solve for x
    x = 5,352,257,972,452,180/83,209,615.40
  6. Step 6: Final answer
    x = 64,322,589.96

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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.