Home / 144,436,404.16-199,318,637.28-80,855,853.76

Finding the Fourth Proportional to 144,436,404.16, 199,318,637.28 and 80,855,853.76

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Solution

The fourth proportional to 144,436,404.16, 199,318,637.28 and 80,855,853.76 is: 111,579,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,436,404.16 : 199,318,637.28 = 80,855,853.76 : x
  2. Step 2: Convert to fraction form
    144,436,404.16/199,318,637.28 = 80,855,853.76/x
  3. Step 3: Cross multiply
    144,436,404.16x = 199,318,637.28 × 80,855,853.76
  4. Step 4: Simplify right side
    144,436,404.16x = 16,116,078,587,554,166
  5. Step 5: Solve for x
    x = 16,116,078,587,554,166/144,436,404.16
  6. Step 6: Final answer
    x = 111,579,062.64

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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.