Home / 144,970,494.40-200,059,314.78-79,780,398.40

Finding the Fourth Proportional to 144,970,494.40, 200,059,314.78 and 79,780,398.40

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Solution

The fourth proportional to 144,970,494.40, 200,059,314.78 and 79,780,398.40 is: 110,096,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970,494.40 : 200,059,314.78 = 79,780,398.40 : x
  2. Step 2: Convert to fraction form
    144,970,494.40/200,059,314.78 = 79,780,398.40/x
  3. Step 3: Cross multiply
    144,970,494.40x = 200,059,314.78 × 79,780,398.40
  4. Step 4: Simplify right side
    144,970,494.40x = 15,960,811,836,779,410
  5. Step 5: Solve for x
    x = 15,960,811,836,779,410/144,970,494.40
  6. Step 6: Final answer
    x = 110,096,967.68

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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.