Home / 51,065,340.60-76,653,998.10-31,917,718.20

Finding the Fourth Proportional to 51,065,340.60, 76,653,998.10 and 31,917,718.20

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Solution

The fourth proportional to 51,065,340.60, 76,653,998.10 and 31,917,718.20 is: 47,911,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065,340.60 : 76,653,998.10 = 31,917,718.20 : x
  2. Step 2: Convert to fraction form
    51,065,340.60/76,653,998.10 = 31,917,718.20/x
  3. Step 3: Cross multiply
    51,065,340.60x = 76,653,998.10 × 31,917,718.20
  4. Step 4: Simplify right side
    51,065,340.60x = 2,446,620,710,259,135
  5. Step 5: Solve for x
    x = 2,446,620,710,259,135/51,065,340.60
  6. Step 6: Final answer
    x = 47,911,571.36

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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.