Home / 141,783,034.80-212,674,552.20-90,722,708.40

Finding the Fourth Proportional to 141,783,034.80, 212,674,552.20 and 90,722,708.40

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Solution

The fourth proportional to 141,783,034.80, 212,674,552.20 and 90,722,708.40 is: 136,084,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,783,034.80 : 212,674,552.20 = 90,722,708.40 : x
  2. Step 2: Convert to fraction form
    141,783,034.80/212,674,552.20 = 90,722,708.40/x
  3. Step 3: Cross multiply
    141,783,034.80x = 212,674,552.20 × 90,722,708.40
  4. Step 4: Simplify right side
    141,783,034.80x = 19,294,411,383,341,180
  5. Step 5: Solve for x
    x = 19,294,411,383,341,180/141,783,034.80
  6. Step 6: Final answer
    x = 136,084,062.60

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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.