Home / 123,316,126.28-170,176,387.48-66,801,005

Finding the Fourth Proportional to 123,316,126.28, 170,176,387.48 and 66,801,005

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Solution

The fourth proportional to 123,316,126.28, 170,176,387.48 and 66,801,005 is: 92,185,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,316,126.28 : 170,176,387.48 = 66,801,005 : x
  2. Step 2: Convert to fraction form
    123,316,126.28/170,176,387.48 = 66,801,005/x
  3. Step 3: Cross multiply
    123,316,126.28x = 170,176,387.48 × 66,801,005
  4. Step 4: Simplify right side
    123,316,126.28x = 11,367,953,710,933,416
  5. Step 5: Solve for x
    x = 11,367,953,710,933,416/123,316,126.28
  6. Step 6: Final answer
    x = 92,185,459.06

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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.