Home / 82,944,430.40-124,416,645.60-72,866,734.40

Finding the Fourth Proportional to 82,944,430.40, 124,416,645.60 and 72,866,734.40

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Solution

The fourth proportional to 82,944,430.40, 124,416,645.60 and 72,866,734.40 is: 109,300,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,430.40 : 124,416,645.60 = 72,866,734.40 : x
  2. Step 2: Convert to fraction form
    82,944,430.40/124,416,645.60 = 72,866,734.40/x
  3. Step 3: Cross multiply
    82,944,430.40x = 124,416,645.60 × 72,866,734.40
  4. Step 4: Simplify right side
    82,944,430.40x = 9,065,834,669,874,128
  5. Step 5: Solve for x
    x = 9,065,834,669,874,128/82,944,430.40
  6. Step 6: Final answer
    x = 109,300,101.60

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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.