Home / 129,035,086.40-193,552,629.60-57,231,502.40

Finding the Fourth Proportional to 129,035,086.40, 193,552,629.60 and 57,231,502.40

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Solution

The fourth proportional to 129,035,086.40, 193,552,629.60 and 57,231,502.40 is: 85,847,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,035,086.40 : 193,552,629.60 = 57,231,502.40 : x
  2. Step 2: Convert to fraction form
    129,035,086.40/193,552,629.60 = 57,231,502.40/x
  3. Step 3: Cross multiply
    129,035,086.40x = 193,552,629.60 × 57,231,502.40
  4. Step 4: Simplify right side
    129,035,086.40x = 11,077,307,785,478,710
  5. Step 5: Solve for x
    x = 11,077,307,785,478,710/129,035,086.40
  6. Step 6: Final answer
    x = 85,847,253.60

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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.