Home / 130,034,511.20-195,051,766.80-118,130,232.80

Finding the Fourth Proportional to 130,034,511.20, 195,051,766.80 and 118,130,232.80

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Solution

The fourth proportional to 130,034,511.20, 195,051,766.80 and 118,130,232.80 is: 177,195,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,034,511.20 : 195,051,766.80 = 118,130,232.80 : x
  2. Step 2: Convert to fraction form
    130,034,511.20/195,051,766.80 = 118,130,232.80/x
  3. Step 3: Cross multiply
    130,034,511.20x = 195,051,766.80 × 118,130,232.80
  4. Step 4: Simplify right side
    130,034,511.20x = 23,041,510,620,135,312
  5. Step 5: Solve for x
    x = 23,041,510,620,135,312/130,034,511.20
  6. Step 6: Final answer
    x = 177,195,349.20

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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.