Home / 127,723,300.80-191,584,951.20-102,214,132.80

Finding the Fourth Proportional to 127,723,300.80, 191,584,951.20 and 102,214,132.80

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Solution

The fourth proportional to 127,723,300.80, 191,584,951.20 and 102,214,132.80 is: 153,321,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723,300.80 : 191,584,951.20 = 102,214,132.80 : x
  2. Step 2: Convert to fraction form
    127,723,300.80/191,584,951.20 = 102,214,132.80/x
  3. Step 3: Cross multiply
    127,723,300.80x = 191,584,951.20 × 102,214,132.80
  4. Step 4: Simplify right side
    127,723,300.80x = 19,582,689,644,438,316
  5. Step 5: Solve for x
    x = 19,582,689,644,438,316/127,723,300.80
  6. Step 6: Final answer
    x = 153,321,199.20

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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.