Home / 123,290,656.31-170,143,854.95-70,366,302.43

Finding the Fourth Proportional to 123,290,656.31, 170,143,854.95 and 70,366,302.43

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Solution

The fourth proportional to 123,290,656.31, 170,143,854.95 and 70,366,302.43 is: 97,107,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,290,656.31 : 170,143,854.95 = 70,366,302.43 : x
  2. Step 2: Convert to fraction form
    123,290,656.31/170,143,854.95 = 70,366,302.43/x
  3. Step 3: Cross multiply
    123,290,656.31x = 170,143,854.95 × 70,366,302.43
  4. Step 4: Simplify right side
    123,290,656.31x = 11,972,393,954,017,752
  5. Step 5: Solve for x
    x = 11,972,393,954,017,752/123,290,656.31
  6. Step 6: Final answer
    x = 97,107,066.44

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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.