Home / 141,555,946.28-212,345,970.54-43,209,742.78

Finding the Fourth Proportional to 141,555,946.28, 212,345,970.54 and 43,209,742.78

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Solution

The fourth proportional to 141,555,946.28, 212,345,970.54 and 43,209,742.78 is: 64,818,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,555,946.28 : 212,345,970.54 = 43,209,742.78 : x
  2. Step 2: Convert to fraction form
    141,555,946.28/212,345,970.54 = 43,209,742.78/x
  3. Step 3: Cross multiply
    141,555,946.28x = 212,345,970.54 × 43,209,742.78
  4. Step 4: Simplify right side
    141,555,946.28x = 9,175,414,766,125,078
  5. Step 5: Solve for x
    x = 9,175,414,766,125,078/141,555,946.28
  6. Step 6: Final answer
    x = 64,818,292.75

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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.