Home / 129,314,173.20-193,971,259.80-115,284,130.80

Finding the Fourth Proportional to 129,314,173.20, 193,971,259.80 and 115,284,130.80

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Solution

The fourth proportional to 129,314,173.20, 193,971,259.80 and 115,284,130.80 is: 172,926,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,314,173.20 : 193,971,259.80 = 115,284,130.80 : x
  2. Step 2: Convert to fraction form
    129,314,173.20/193,971,259.80 = 115,284,130.80/x
  3. Step 3: Cross multiply
    129,314,173.20x = 193,971,259.80 × 115,284,130.80
  4. Step 4: Simplify right side
    129,314,173.20x = 22,361,808,086,223,984
  5. Step 5: Solve for x
    x = 22,361,808,086,223,984/129,314,173.20
  6. Step 6: Final answer
    x = 172,926,196.20

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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.