Home / 145,002,819.95-200,108,222.04-89,280,386.83

Finding the Fourth Proportional to 145,002,819.95, 200,108,222.04 and 89,280,386.83

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Solution

The fourth proportional to 145,002,819.95, 200,108,222.04 and 89,280,386.83 is: 123,209,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,002,819.95 : 200,108,222.04 = 89,280,386.83 : x
  2. Step 2: Convert to fraction form
    145,002,819.95/200,108,222.04 = 89,280,386.83/x
  3. Step 3: Cross multiply
    145,002,819.95x = 200,108,222.04 × 89,280,386.83
  4. Step 4: Simplify right side
    145,002,819.95x = 17,865,739,471,262,310
  5. Step 5: Solve for x
    x = 17,865,739,471,262,310/145,002,819.95
  6. Step 6: Final answer
    x = 123,209,600.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.