Home / 141,555,945.78-212,345,969.78-43,209,742.28

Finding the Fourth Proportional to 141,555,945.78, 212,345,969.78 and 43,209,742.28

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Solution

The fourth proportional to 141,555,945.78, 212,345,969.78 and 43,209,742.28 is: 64,818,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,555,945.78 : 212,345,969.78 = 43,209,742.28 : x
  2. Step 2: Convert to fraction form
    141,555,945.78/212,345,969.78 = 43,209,742.28/x
  3. Step 3: Cross multiply
    141,555,945.78x = 212,345,969.78 × 43,209,742.28
  4. Step 4: Simplify right side
    141,555,945.78x = 9,175,414,627,436,762
  5. Step 5: Solve for x
    x = 9,175,414,627,436,762/141,555,945.78
  6. Step 6: Final answer
    x = 64,818,292.00

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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.