Home / 161,846,618.46-223,347,881.79-87,506,658.78

Finding the Fourth Proportional to 161,846,618.46, 223,347,881.79 and 87,506,658.78

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Solution

The fourth proportional to 161,846,618.46, 223,347,881.79 and 87,506,658.78 is: 120,758,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,846,618.46 : 223,347,881.79 = 87,506,658.78 : x
  2. Step 2: Convert to fraction form
    161,846,618.46/223,347,881.79 = 87,506,658.78/x
  3. Step 3: Cross multiply
    161,846,618.46x = 223,347,881.79 × 87,506,658.78
  4. Step 4: Simplify right side
    161,846,618.46x = 19,544,426,881,033,304
  5. Step 5: Solve for x
    x = 19,544,426,881,033,304/161,846,618.46
  6. Step 6: Final answer
    x = 120,758,944.90

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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.