Home / 123,210,778.80-184,592,219.40-100,368,001.20

Finding the Fourth Proportional to 123,210,778.80, 184,592,219.40 and 100,368,001.20

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Solution

The fourth proportional to 123,210,778.80, 184,592,219.40 and 100,368,001.20 is: 150,369,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210,778.80 : 184,592,219.40 = 100,368,001.20 : x
  2. Step 2: Convert to fraction form
    123,210,778.80/184,592,219.40 = 100,368,001.20/x
  3. Step 3: Cross multiply
    123,210,778.80x = 184,592,219.40 × 100,368,001.20
  4. Step 4: Simplify right side
    123,210,778.80x = 18,527,152,098,249,864
  5. Step 5: Solve for x
    x = 18,527,152,098,249,864/123,210,778.80
  6. Step 6: Final answer
    x = 150,369,572.20

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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.