Home / 161,175,061.56-222,415,096.14-87,834,628.92

Finding the Fourth Proportional to 161,175,061.56, 222,415,096.14 and 87,834,628.92

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Solution

The fourth proportional to 161,175,061.56, 222,415,096.14 and 87,834,628.92 is: 121,208,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,175,061.56 : 222,415,096.14 = 87,834,628.92 : x
  2. Step 2: Convert to fraction form
    161,175,061.56/222,415,096.14 = 87,834,628.92/x
  3. Step 3: Cross multiply
    161,175,061.56x = 222,415,096.14 × 87,834,628.92
  4. Step 4: Simplify right side
    161,175,061.56x = 19,535,747,435,663,024
  5. Step 5: Solve for x
    x = 19,535,747,435,663,024/161,175,061.56
  6. Step 6: Final answer
    x = 121,208,251.74

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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.