Home / 237,861,155.80-356,791,733.70-212,918,858.20

Finding the Fourth Proportional to 237,861,155.80, 356,791,733.70 and 212,918,858.20

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Solution

The fourth proportional to 237,861,155.80, 356,791,733.70 and 212,918,858.20 is: 319,378,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,861,155.80 : 356,791,733.70 = 212,918,858.20 : x
  2. Step 2: Convert to fraction form
    237,861,155.80/356,791,733.70 = 212,918,858.20/x
  3. Step 3: Cross multiply
    237,861,155.80x = 356,791,733.70 × 212,918,858.20
  4. Step 4: Simplify right side
    237,861,155.80x = 75,967,688,554,602,448
  5. Step 5: Solve for x
    x = 75,967,688,554,602,448/237,861,155.80
  6. Step 6: Final answer
    x = 319,378,287.30

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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.