Home / 123,493,924.80-170,432,082.72-68,507,496

Finding the Fourth Proportional to 123,493,924.80, 170,432,082.72 and 68,507,496

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Solution

The fourth proportional to 123,493,924.80, 170,432,082.72 and 68,507,496 is: 94,546,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,493,924.80 : 170,432,082.72 = 68,507,496 : x
  2. Step 2: Convert to fraction form
    123,493,924.80/170,432,082.72 = 68,507,496/x
  3. Step 3: Cross multiply
    123,493,924.80x = 170,432,082.72 × 68,507,496
  4. Step 4: Simplify right side
    123,493,924.80x = 11,675,875,225,212,070
  5. Step 5: Solve for x
    x = 11,675,875,225,212,070/123,493,924.80
  6. Step 6: Final answer
    x = 94,546,150.70

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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.