Home / 161,175,064.56-222,415,100.28-87,834,631.92

Finding the Fourth Proportional to 161,175,064.56, 222,415,100.28 and 87,834,631.92

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Solution

The fourth proportional to 161,175,064.56, 222,415,100.28 and 87,834,631.92 is: 121,208,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,175,064.56 : 222,415,100.28 = 87,834,631.92 : x
  2. Step 2: Convert to fraction form
    161,175,064.56/222,415,100.28 = 87,834,631.92/x
  3. Step 3: Cross multiply
    161,175,064.56x = 222,415,100.28 × 87,834,631.92
  4. Step 4: Simplify right side
    161,175,064.56x = 19,535,748,466,543,688
  5. Step 5: Solve for x
    x = 19,535,748,466,543,688/161,175,064.56
  6. Step 6: Final answer
    x = 121,208,255.88

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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.