Home / 144,877,822.40-217,327,231.20-87,245,998.40

Finding the Fourth Proportional to 144,877,822.40, 217,327,231.20 and 87,245,998.40

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Solution

The fourth proportional to 144,877,822.40, 217,327,231.20 and 87,245,998.40 is: 130,875,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,877,822.40 : 217,327,231.20 = 87,245,998.40 : x
  2. Step 2: Convert to fraction form
    144,877,822.40/217,327,231.20 = 87,245,998.40/x
  3. Step 3: Cross multiply
    144,877,822.40x = 217,327,231.20 × 87,245,998.40
  4. Step 4: Simplify right side
    144,877,822.40x = 18,960,931,265,551,632
  5. Step 5: Solve for x
    x = 18,960,931,265,551,632/144,877,822.40
  6. Step 6: Final answer
    x = 130,875,319.30

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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.