Home / 131,528,363.40-197,292,545.10-127,749,227.40

Finding the Fourth Proportional to 131,528,363.40, 197,292,545.10 and 127,749,227.40

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Solution

The fourth proportional to 131,528,363.40, 197,292,545.10 and 127,749,227.40 is: 191,623,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,528,363.40 : 197,292,545.10 = 127,749,227.40 : x
  2. Step 2: Convert to fraction form
    131,528,363.40/197,292,545.10 = 127,749,227.40/x
  3. Step 3: Cross multiply
    131,528,363.40x = 197,292,545.10 × 127,749,227.40
  4. Step 4: Simplify right side
    131,528,363.40x = 25,203,970,208,304,656
  5. Step 5: Solve for x
    x = 25,203,970,208,304,656/131,528,363.40
  6. Step 6: Final answer
    x = 191,623,841.10

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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.