Home / 130,428,059.20-195,517,672.80-48,525,006.40

Finding the Fourth Proportional to 130,428,059.20, 195,517,672.80 and 48,525,006.40

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Solution

The fourth proportional to 130,428,059.20, 195,517,672.80 and 48,525,006.40 is: 72,741,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,428,059.20 : 195,517,672.80 = 48,525,006.40 : x
  2. Step 2: Convert to fraction form
    130,428,059.20/195,517,672.80 = 48,525,006.40/x
  3. Step 3: Cross multiply
    130,428,059.20x = 195,517,672.80 × 48,525,006.40
  4. Step 4: Simplify right side
    130,428,059.20x = 9,487,496,323,933,106
  5. Step 5: Solve for x
    x = 9,487,496,323,933,106/130,428,059.20
  6. Step 6: Final answer
    x = 72,741,221.35

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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.