Home / 122,654,401.40-183,981,602.10-121,804,095.80

Finding the Fourth Proportional to 122,654,401.40, 183,981,602.10 and 121,804,095.80

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Solution

The fourth proportional to 122,654,401.40, 183,981,602.10 and 121,804,095.80 is: 182,706,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,654,401.40 : 183,981,602.10 = 121,804,095.80 : x
  2. Step 2: Convert to fraction form
    122,654,401.40/183,981,602.10 = 121,804,095.80/x
  3. Step 3: Cross multiply
    122,654,401.40x = 183,981,602.10 × 121,804,095.80
  4. Step 4: Simplify right side
    122,654,401.40x = 22,409,712,687,625,880
  5. Step 5: Solve for x
    x = 22,409,712,687,625,880/122,654,401.40
  6. Step 6: Final answer
    x = 182,706,143.70

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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.