Home / 141,821,064.80-195,679,744.08-86,065,222.40

Finding the Fourth Proportional to 141,821,064.80, 195,679,744.08 and 86,065,222.40

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Solution

The fourth proportional to 141,821,064.80, 195,679,744.08 and 86,065,222.40 is: 118,749,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821,064.80 : 195,679,744.08 = 86,065,222.40 : x
  2. Step 2: Convert to fraction form
    141,821,064.80/195,679,744.08 = 86,065,222.40/x
  3. Step 3: Cross multiply
    141,821,064.80x = 195,679,744.08 × 86,065,222.40
  4. Step 4: Simplify right side
    141,821,064.80x = 16,841,220,693,420,286
  5. Step 5: Solve for x
    x = 16,841,220,693,420,286/141,821,064.80
  6. Step 6: Final answer
    x = 118,749,783.17

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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.