Home / 172,387,350.12-237,899,567.16-94,075,947.78

Finding the Fourth Proportional to 172,387,350.12, 237,899,567.16 and 94,075,947.78

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Solution

The fourth proportional to 172,387,350.12, 237,899,567.16 and 94,075,947.78 is: 129,827,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,387,350.12 : 237,899,567.16 = 94,075,947.78 : x
  2. Step 2: Convert to fraction form
    172,387,350.12/237,899,567.16 = 94,075,947.78/x
  3. Step 3: Cross multiply
    172,387,350.12x = 237,899,567.16 × 94,075,947.78
  4. Step 4: Simplify right side
    172,387,350.12x = 22,380,627,257,028,764
  5. Step 5: Solve for x
    x = 22,380,627,257,028,764/172,387,350.12
  6. Step 6: Final answer
    x = 129,827,549.65

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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.