Home / 147,177,768.55-203,114,238.73-81,098,186.85

Finding the Fourth Proportional to 147,177,768.55, 203,114,238.73 and 81,098,186.85

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Solution

The fourth proportional to 147,177,768.55, 203,114,238.73 and 81,098,186.85 is: 111,920,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,177,768.55 : 203,114,238.73 = 81,098,186.85 : x
  2. Step 2: Convert to fraction form
    147,177,768.55/203,114,238.73 = 81,098,186.85/x
  3. Step 3: Cross multiply
    147,177,768.55x = 203,114,238.73 × 81,098,186.85
  4. Step 4: Simplify right side
    147,177,768.55x = 16,472,196,484,421,044
  5. Step 5: Solve for x
    x = 16,472,196,484,421,044/147,177,768.55
  6. Step 6: Final answer
    x = 111,920,411.94

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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.