Home / 127,202,920.90-178,487,197.10-127,202,920.90

Finding the Fourth Proportional to 127,202,920.90, 178,487,197.10 and 127,202,920.90

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Solution

The fourth proportional to 127,202,920.90, 178,487,197.10 and 127,202,920.90 is: 178,487,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,202,920.90 : 178,487,197.10 = 127,202,920.90 : x
  2. Step 2: Convert to fraction form
    127,202,920.90/178,487,197.10 = 127,202,920.90/x
  3. Step 3: Cross multiply
    127,202,920.90x = 178,487,197.10 × 127,202,920.90
  4. Step 4: Simplify right side
    127,202,920.90x = 22,704,092,814,374,008
  5. Step 5: Solve for x
    x = 22,704,092,814,374,008/127,202,920.90
  6. Step 6: Final answer
    x = 178,487,197.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.