Home / 83,209,615.90-124,764,657.45-42,898,831.90

Finding the Fourth Proportional to 83,209,615.90, 124,764,657.45 and 42,898,831.90

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Solution

The fourth proportional to 83,209,615.90, 124,764,657.45 and 42,898,831.90 is: 64,322,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209,615.90 : 124,764,657.45 = 42,898,831.90 : x
  2. Step 2: Convert to fraction form
    83,209,615.90/124,764,657.45 = 42,898,831.90/x
  3. Step 3: Cross multiply
    83,209,615.90x = 124,764,657.45 × 42,898,831.90
  4. Step 4: Simplify right side
    83,209,615.90x = 5,352,258,067,008,633
  5. Step 5: Solve for x
    x = 5,352,258,067,008,633/83,209,615.90
  6. Step 6: Final answer
    x = 64,322,590.71

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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.