Home / 283,357,136.52-391,027,536.18-157,906,571.90

Finding the Fourth Proportional to 283,357,136.52, 391,027,536.18 and 157,906,571.90

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Solution

The fourth proportional to 283,357,136.52, 391,027,536.18 and 157,906,571.90 is: 217,908,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,357,136.52 : 391,027,536.18 = 157,906,571.90 : x
  2. Step 2: Convert to fraction form
    283,357,136.52/391,027,536.18 = 157,906,571.90/x
  3. Step 3: Cross multiply
    283,357,136.52x = 391,027,536.18 × 157,906,571.90
  4. Step 4: Simplify right side
    283,357,136.52x = 61,745,817,754,731,888
  5. Step 5: Solve for x
    x = 61,745,817,754,731,888/283,357,136.52
  6. Step 6: Final answer
    x = 217,908,108.87

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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.