Home / 129,303,791.20-193,955,686.80-122,926,499.20

Finding the Fourth Proportional to 129,303,791.20, 193,955,686.80 and 122,926,499.20

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Solution

The fourth proportional to 129,303,791.20, 193,955,686.80 and 122,926,499.20 is: 184,389,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,303,791.20 : 193,955,686.80 = 122,926,499.20 : x
  2. Step 2: Convert to fraction form
    129,303,791.20/193,955,686.80 = 122,926,499.20/x
  3. Step 3: Cross multiply
    129,303,791.20x = 193,955,686.80 × 122,926,499.20
  4. Step 4: Simplify right side
    129,303,791.20x = 23,842,293,578,255,652
  5. Step 5: Solve for x
    x = 23,842,293,578,255,652/129,303,791.20
  6. Step 6: Final answer
    x = 184,389,748.80

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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.