Home / 67,292,812.32-100,940,019.48-18,767,713.74

Finding the Fourth Proportional to 67,292,812.32, 100,940,019.48 and 18,767,713.74

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Solution

The fourth proportional to 67,292,812.32, 100,940,019.48 and 18,767,713.74 is: 28,151,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,292,812.32 : 100,940,019.48 = 18,767,713.74 : x
  2. Step 2: Convert to fraction form
    67,292,812.32/100,940,019.48 = 18,767,713.74/x
  3. Step 3: Cross multiply
    67,292,812.32x = 100,940,019.48 × 18,767,713.74
  4. Step 4: Simplify right side
    67,292,812.32x = 1,894,413,390,510,663.50
  5. Step 5: Solve for x
    x = 1,894,413,390,510,663.50/67,292,812.32
  6. Step 6: Final answer
    x = 28,151,794.01

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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.