Home / 123,541,330.95-170,416,204.16-77,050,872.27

Finding the Fourth Proportional to 123,541,330.95, 170,416,204.16 and 77,050,872.27

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Solution

The fourth proportional to 123,541,330.95, 170,416,204.16 and 77,050,872.27 is: 106,286,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,541,330.95 : 170,416,204.16 = 77,050,872.27 : x
  2. Step 2: Convert to fraction form
    123,541,330.95/170,416,204.16 = 77,050,872.27/x
  3. Step 3: Cross multiply
    123,541,330.95x = 170,416,204.16 × 77,050,872.27
  4. Step 4: Simplify right side
    123,541,330.95x = 13,130,717,179,085,148
  5. Step 5: Solve for x
    x = 13,130,717,179,085,148/123,541,330.95
  6. Step 6: Final answer
    x = 106,286,026.53

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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.