Home / 51,781,409.60-77,721,880.80-26,251,246.40

Finding the Fourth Proportional to 51,781,409.60, 77,721,880.80 and 26,251,246.40

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Solution

The fourth proportional to 51,781,409.60, 77,721,880.80 and 26,251,246.40 is: 39,402,099.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781,409.60 : 77,721,880.80 = 26,251,246.40 : x
  2. Step 2: Convert to fraction form
    51,781,409.60/77,721,880.80 = 26,251,246.40/x
  3. Step 3: Cross multiply
    51,781,409.60x = 77,721,880.80 × 26,251,246.40
  4. Step 4: Simplify right side
    51,781,409.60x = 2,040,296,243,552,229
  5. Step 5: Solve for x
    x = 2,040,296,243,552,229/51,781,409.60
  6. Step 6: Final answer
    x = 39,402,099.31

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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.