Home / 83,228,830.60-124,812,278.70-28,626,089.80

Finding the Fourth Proportional to 83,228,830.60, 124,812,278.70 and 28,626,089.80

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Solution

The fourth proportional to 83,228,830.60, 124,812,278.70 and 28,626,089.80 is: 42,928,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,228,830.60 : 124,812,278.70 = 28,626,089.80 : x
  2. Step 2: Convert to fraction form
    83,228,830.60/124,812,278.70 = 28,626,089.80/x
  3. Step 3: Cross multiply
    83,228,830.60x = 124,812,278.70 × 28,626,089.80
  4. Step 4: Simplify right side
    83,228,830.60x = 3,572,887,498,208,827.50
  5. Step 5: Solve for x
    x = 3,572,887,498,208,827.50/83,228,830.60
  6. Step 6: Final answer
    x = 42,928,483.71

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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.