Home / 287,867,207.70-397,222,607.01-162,412,090.74

Finding the Fourth Proportional to 287,867,207.70, 397,222,607.01 and 162,412,090.74

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Solution

The fourth proportional to 287,867,207.70, 397,222,607.01 and 162,412,090.74 is: 224,109,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,867,207.70 : 397,222,607.01 = 162,412,090.74 : x
  2. Step 2: Convert to fraction form
    287,867,207.70/397,222,607.01 = 162,412,090.74/x
  3. Step 3: Cross multiply
    287,867,207.70x = 397,222,607.01 × 162,412,090.74
  4. Step 4: Simplify right side
    287,867,207.70x = 64,513,754,093,687,480
  5. Step 5: Solve for x
    x = 64,513,754,093,687,480/287,867,207.70
  6. Step 6: Final answer
    x = 224,109,423.96

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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.