Home / 177,643,136.40-266,912,602.20-112,977,920.40

Finding the Fourth Proportional to 177,643,136.40, 266,912,602.20 and 112,977,920.40

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Solution

The fourth proportional to 177,643,136.40, 266,912,602.20 and 112,977,920.40 is: 169,751,735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,643,136.40 : 266,912,602.20 = 112,977,920.40 : x
  2. Step 2: Convert to fraction form
    177,643,136.40/266,912,602.20 = 112,977,920.40/x
  3. Step 3: Cross multiply
    177,643,136.40x = 266,912,602.20 × 112,977,920.40
  4. Step 4: Simplify right side
    177,643,136.40x = 30,155,230,725,108,464
  5. Step 5: Solve for x
    x = 30,155,230,725,108,464/177,643,136.40
  6. Step 6: Final answer
    x = 169,751,735.62

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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.