Home / 147,177,767.55-203,114,237.35-81,098,185.85

Finding the Fourth Proportional to 147,177,767.55, 203,114,237.35 and 81,098,185.85

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Solution

The fourth proportional to 147,177,767.55, 203,114,237.35 and 81,098,185.85 is: 111,920,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,177,767.55 : 203,114,237.35 = 81,098,185.85 : x
  2. Step 2: Convert to fraction form
    147,177,767.55/203,114,237.35 = 81,098,185.85/x
  3. Step 3: Cross multiply
    147,177,767.55x = 203,114,237.35 × 81,098,185.85
  4. Step 4: Simplify right side
    147,177,767.55x = 16,472,196,168,744,270
  5. Step 5: Solve for x
    x = 16,472,196,168,744,270/147,177,767.55
  6. Step 6: Final answer
    x = 111,920,410.55

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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.