Home / 123,266,666-170,113,346.30-68,262,522.50

Finding the Fourth Proportional to 123,266,666, 170,113,346.30 and 68,262,522.50

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Solution

The fourth proportional to 123,266,666, 170,113,346.30 and 68,262,522.50 is: 94,205,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,266,666 : 170,113,346.30 = 68,262,522.50 : x
  2. Step 2: Convert to fraction form
    123,266,666/170,113,346.30 = 68,262,522.50/x
  3. Step 3: Cross multiply
    123,266,666x = 170,113,346.30 × 68,262,522.50
  4. Step 4: Simplify right side
    123,266,666x = 11,612,366,129,354,042
  5. Step 5: Solve for x
    x = 11,612,366,129,354,042/123,266,666
  6. Step 6: Final answer
    x = 94,205,242.23

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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.