Home / 144,650,637.47-199,634,438.91-81,088,144.11

Finding the Fourth Proportional to 144,650,637.47, 199,634,438.91 and 81,088,144.11

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Solution

The fourth proportional to 144,650,637.47, 199,634,438.91 and 81,088,144.11 is: 111,910,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,650,637.47 : 199,634,438.91 = 81,088,144.11 : x
  2. Step 2: Convert to fraction form
    144,650,637.47/199,634,438.91 = 81,088,144.11/x
  3. Step 3: Cross multiply
    144,650,637.47x = 199,634,438.91 × 81,088,144.11
  4. Step 4: Simplify right side
    144,650,637.47x = 16,187,986,151,653,070
  5. Step 5: Solve for x
    x = 16,187,986,151,653,070/144,650,637.47
  6. Step 6: Final answer
    x = 111,910,921.62

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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.