Home / 142,087,959.20-213,131,938.80-142,087,959.20

Finding the Fourth Proportional to 142,087,959.20, 213,131,938.80 and 142,087,959.20

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Solution

The fourth proportional to 142,087,959.20, 213,131,938.80 and 142,087,959.20 is: 213,131,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,087,959.20 : 213,131,938.80 = 142,087,959.20 : x
  2. Step 2: Convert to fraction form
    142,087,959.20/213,131,938.80 = 142,087,959.20/x
  3. Step 3: Cross multiply
    142,087,959.20x = 213,131,938.80 × 142,087,959.20
  4. Step 4: Simplify right side
    142,087,959.20x = 30,283,482,224,431,296
  5. Step 5: Solve for x
    x = 30,283,482,224,431,296/142,087,959.20
  6. Step 6: Final answer
    x = 213,131,938.80

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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.