Home / 132,785,342.40-199,206,007.20-56,068,881.60

Finding the Fourth Proportional to 132,785,342.40, 199,206,007.20 and 56,068,881.60

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Solution

The fourth proportional to 132,785,342.40, 199,206,007.20 and 56,068,881.60 is: 84,115,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,785,342.40 : 199,206,007.20 = 56,068,881.60 : x
  2. Step 2: Convert to fraction form
    132,785,342.40/199,206,007.20 = 56,068,881.60/x
  3. Step 3: Cross multiply
    132,785,342.40x = 199,206,007.20 × 56,068,881.60
  4. Step 4: Simplify right side
    132,785,342.40x = 11,169,258,031,705,548
  5. Step 5: Solve for x
    x = 11,169,258,031,705,548/132,785,342.40
  6. Step 6: Final answer
    x = 84,115,142.75

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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.