Home / 154,806,299.67-213,584,591.25-87,814,225.02

Finding the Fourth Proportional to 154,806,299.67, 213,584,591.25 and 87,814,225.02

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Solution

The fourth proportional to 154,806,299.67, 213,584,591.25 and 87,814,225.02 is: 121,156,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,806,299.67 : 213,584,591.25 = 87,814,225.02 : x
  2. Step 2: Convert to fraction form
    154,806,299.67/213,584,591.25 = 87,814,225.02/x
  3. Step 3: Cross multiply
    154,806,299.67x = 213,584,591.25 × 87,814,225.02
  4. Step 4: Simplify right side
    154,806,299.67x = 18,755,765,356,832,224
  5. Step 5: Solve for x
    x = 18,755,765,356,832,224/154,806,299.67
  6. Step 6: Final answer
    x = 121,156,344.39

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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.