Home / 141,821,060.80-195,679,738.56-86,065,218.40

Finding the Fourth Proportional to 141,821,060.80, 195,679,738.56 and 86,065,218.40

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Solution

The fourth proportional to 141,821,060.80, 195,679,738.56 and 86,065,218.40 is: 118,749,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821,060.80 : 195,679,738.56 = 86,065,218.40 : x
  2. Step 2: Convert to fraction form
    141,821,060.80/195,679,738.56 = 86,065,218.40/x
  3. Step 3: Cross multiply
    141,821,060.80x = 195,679,738.56 × 86,065,218.40
  4. Step 4: Simplify right side
    141,821,060.80x = 16,841,219,435,621,302
  5. Step 5: Solve for x
    x = 16,841,219,435,621,302/141,821,060.80
  6. Step 6: Final answer
    x = 118,749,777.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.