Home / 83,209,618.40-124,764,661.20-42,898,834.40

Finding the Fourth Proportional to 83,209,618.40, 124,764,661.20 and 42,898,834.40

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Solution

The fourth proportional to 83,209,618.40, 124,764,661.20 and 42,898,834.40 is: 64,322,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209,618.40 : 124,764,661.20 = 42,898,834.40 : x
  2. Step 2: Convert to fraction form
    83,209,618.40/124,764,661.20 = 42,898,834.40/x
  3. Step 3: Cross multiply
    83,209,618.40x = 124,764,661.20 × 42,898,834.40
  4. Step 4: Simplify right side
    83,209,618.40x = 5,352,258,539,790,905
  5. Step 5: Solve for x
    x = 5,352,258,539,790,905/83,209,618.40
  6. Step 6: Final answer
    x = 64,322,594.46

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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.