Home / 123,237,455.40-170,073,001.86-68,233,310.76

Finding the Fourth Proportional to 123,237,455.40, 170,073,001.86 and 68,233,310.76

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Solution

The fourth proportional to 123,237,455.40, 170,073,001.86 and 68,233,310.76 is: 94,164,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,237,455.40 : 170,073,001.86 = 68,233,310.76 : x
  2. Step 2: Convert to fraction form
    123,237,455.40/170,073,001.86 = 68,233,310.76/x
  3. Step 3: Cross multiply
    123,237,455.40x = 170,073,001.86 × 68,233,310.76
  4. Step 4: Simplify right side
    123,237,455.40x = 11,604,643,987,799,440
  5. Step 5: Solve for x
    x = 11,604,643,987,799,440/123,237,455.40
  6. Step 6: Final answer
    x = 94,164,910.74

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1.5x scale

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.