Home / 52,116,957.70-78,149,965.29-21,403,327.48

Finding the Fourth Proportional to 52,116,957.70, 78,149,965.29 and 21,403,327.48

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Solution

The fourth proportional to 52,116,957.70, 78,149,965.29 and 21,403,327.48 is: 32,094,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,957.70 : 78,149,965.29 = 21,403,327.48 : x
  2. Step 2: Convert to fraction form
    52,116,957.70/78,149,965.29 = 21,403,327.48/x
  3. Step 3: Cross multiply
    52,116,957.70x = 78,149,965.29 × 21,403,327.48
  4. Step 4: Simplify right side
    52,116,957.70x = 1,672,669,299,652,503.25
  5. Step 5: Solve for x
    x = 1,672,669,299,652,503.25/52,116,957.70
  6. Step 6: Final answer
    x = 32,094,530.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.