Home / 144,877,823.40-217,327,232.70-87,245,999.40

Finding the Fourth Proportional to 144,877,823.40, 217,327,232.70 and 87,245,999.40

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Solution

The fourth proportional to 144,877,823.40, 217,327,232.70 and 87,245,999.40 is: 130,875,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,877,823.40 : 217,327,232.70 = 87,245,999.40 : x
  2. Step 2: Convert to fraction form
    144,877,823.40/217,327,232.70 = 87,245,999.40/x
  3. Step 3: Cross multiply
    144,877,823.40x = 217,327,232.70 × 87,245,999.40
  4. Step 4: Simplify right side
    144,877,823.40x = 18,960,931,613,747,860
  5. Step 5: Solve for x
    x = 18,960,931,613,747,860/144,877,823.40
  6. Step 6: Final answer
    x = 130,875,320.80

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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.