Home / 147,344,428.80-220,591,490.40-130,338,316.80

Finding the Fourth Proportional to 147,344,428.80, 220,591,490.40 and 130,338,316.80

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Solution

The fourth proportional to 147,344,428.80, 220,591,490.40 and 130,338,316.80 is: 195,131,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,344,428.80 : 220,591,490.40 = 130,338,316.80 : x
  2. Step 2: Convert to fraction form
    147,344,428.80/220,591,490.40 = 130,338,316.80/x
  3. Step 3: Cross multiply
    147,344,428.80x = 220,591,490.40 × 130,338,316.80
  4. Step 4: Simplify right side
    147,344,428.80x = 28,751,523,559,139,360
  5. Step 5: Solve for x
    x = 28,751,523,559,139,360/147,344,428.80
  6. Step 6: Final answer
    x = 195,131,392.43

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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.