Home / 123,254,203.28-170,088,721.80-68,248,878.80

Finding the Fourth Proportional to 123,254,203.28, 170,088,721.80 and 68,248,878.80

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Solution

The fourth proportional to 123,254,203.28, 170,088,721.80 and 68,248,878.80 is: 94,182,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,254,203.28 : 170,088,721.80 = 68,248,878.80 : x
  2. Step 2: Convert to fraction form
    123,254,203.28/170,088,721.80 = 68,248,878.80/x
  3. Step 3: Cross multiply
    123,254,203.28x = 170,088,721.80 × 68,248,878.80
  4. Step 4: Simplify right side
    123,254,203.28x = 11,608,364,559,375,118
  5. Step 5: Solve for x
    x = 11,608,364,559,375,118/123,254,203.28
  6. Step 6: Final answer
    x = 94,182,301.70

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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.