Home / 123,786,799.16-170,829,627.26-68,031,205.96

Finding the Fourth Proportional to 123,786,799.16, 170,829,627.26 and 68,031,205.96

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Solution

The fourth proportional to 123,786,799.16, 170,829,627.26 and 68,031,205.96 is: 93,885,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,786,799.16 : 170,829,627.26 = 68,031,205.96 : x
  2. Step 2: Convert to fraction form
    123,786,799.16/170,829,627.26 = 68,031,205.96/x
  3. Step 3: Cross multiply
    123,786,799.16x = 170,829,627.26 × 68,031,205.96
  4. Step 4: Simplify right side
    123,786,799.16x = 11,621,745,556,195,088
  5. Step 5: Solve for x
    x = 11,621,745,556,195,088/123,786,799.16
  6. Step 6: Final answer
    x = 93,885,177.05

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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.