Home / 143,342,776.73-214,877,934.13-91,381,551.22

Finding the Fourth Proportional to 143,342,776.73, 214,877,934.13 and 91,381,551.22

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Solution

The fourth proportional to 143,342,776.73, 214,877,934.13 and 91,381,551.22 is: 136,985,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,342,776.73 : 214,877,934.13 = 91,381,551.22 : x
  2. Step 2: Convert to fraction form
    143,342,776.73/214,877,934.13 = 91,381,551.22/x
  3. Step 3: Cross multiply
    143,342,776.73x = 214,877,934.13 × 91,381,551.22
  4. Step 4: Simplify right side
    143,342,776.73x = 19,635,878,942,982,732
  5. Step 5: Solve for x
    x = 19,635,878,942,982,732/143,342,776.73
  6. Step 6: Final answer
    x = 136,985,479.08

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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.