Home / 189,280,446.60-283,696,721.10-80,105,406.60

Finding the Fourth Proportional to 189,280,446.60, 283,696,721.10 and 80,105,406.60

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Solution

The fourth proportional to 189,280,446.60, 283,696,721.10 and 80,105,406.60 is: 120,063,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,280,446.60 : 283,696,721.10 = 80,105,406.60 : x
  2. Step 2: Convert to fraction form
    189,280,446.60/283,696,721.10 = 80,105,406.60/x
  3. Step 3: Cross multiply
    189,280,446.60x = 283,696,721.10 × 80,105,406.60
  4. Step 4: Simplify right side
    189,280,446.60x = 22,725,641,194,802,300
  5. Step 5: Solve for x
    x = 22,725,641,194,802,300/189,280,446.60
  6. Step 6: Final answer
    x = 120,063,332.49

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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.