Home / 51,111,032.71-70,532,260.98-31,263,337.78

Finding the Fourth Proportional to 51,111,032.71, 70,532,260.98 and 31,263,337.78

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Solution

The fourth proportional to 51,111,032.71, 70,532,260.98 and 31,263,337.78 is: 43,142,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111,032.71 : 70,532,260.98 = 31,263,337.78 : x
  2. Step 2: Convert to fraction form
    51,111,032.71/70,532,260.98 = 31,263,337.78/x
  3. Step 3: Cross multiply
    51,111,032.71x = 70,532,260.98 × 31,263,337.78
  4. Step 4: Simplify right side
    51,111,032.71x = 2,205,073,899,404,854
  5. Step 5: Solve for x
    x = 2,205,073,899,404,854/51,111,032.71
  6. Step 6: Final answer
    x = 43,142,816.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.