Home / 157,467,920.80-236,201,881.20-147,901,982.80

Finding the Fourth Proportional to 157,467,920.80, 236,201,881.20 and 147,901,982.80

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Solution

The fourth proportional to 157,467,920.80, 236,201,881.20 and 147,901,982.80 is: 221,852,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,467,920.80 : 236,201,881.20 = 147,901,982.80 : x
  2. Step 2: Convert to fraction form
    157,467,920.80/236,201,881.20 = 147,901,982.80/x
  3. Step 3: Cross multiply
    157,467,920.80x = 236,201,881.20 × 147,901,982.80
  4. Step 4: Simplify right side
    157,467,920.80x = 34,934,726,570,570,044
  5. Step 5: Solve for x
    x = 34,934,726,570,570,044/157,467,920.80
  6. Step 6: Final answer
    x = 221,852,974.20

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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.