Home / 143,218,291.20-214,827,436.80-52,407,052.80

Finding the Fourth Proportional to 143,218,291.20, 214,827,436.80 and 52,407,052.80

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Solution

The fourth proportional to 143,218,291.20, 214,827,436.80 and 52,407,052.80 is: 78,610,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,218,291.20 : 214,827,436.80 = 52,407,052.80 : x
  2. Step 2: Convert to fraction form
    143,218,291.20/214,827,436.80 = 52,407,052.80/x
  3. Step 3: Cross multiply
    143,218,291.20x = 214,827,436.80 × 52,407,052.80
  4. Step 4: Simplify right side
    143,218,291.20x = 11,258,472,823,266,264
  5. Step 5: Solve for x
    x = 11,258,472,823,266,264/143,218,291.20
  6. Step 6: Final answer
    x = 78,610,579.20

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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.