Home / 83,228,829.60-124,812,277.20-28,626,088.80

Finding the Fourth Proportional to 83,228,829.60, 124,812,277.20 and 28,626,088.80

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Solution

The fourth proportional to 83,228,829.60, 124,812,277.20 and 28,626,088.80 is: 42,928,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,228,829.60 : 124,812,277.20 = 28,626,088.80 : x
  2. Step 2: Convert to fraction form
    83,228,829.60/124,812,277.20 = 28,626,088.80/x
  3. Step 3: Cross multiply
    83,228,829.60x = 124,812,277.20 × 28,626,088.80
  4. Step 4: Simplify right side
    83,228,829.60x = 3,572,887,330,457,415.50
  5. Step 5: Solve for x
    x = 3,572,887,330,457,415.50/83,228,829.60
  6. Step 6: Final answer
    x = 42,928,482.21

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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.