Home / 51,111,027.72-70,532,254.10-31,263,332.78

Finding the Fourth Proportional to 51,111,027.72, 70,532,254.10 and 31,263,332.78

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Solution

The fourth proportional to 51,111,027.72, 70,532,254.10 and 31,263,332.78 is: 43,142,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111,027.72 : 70,532,254.10 = 31,263,332.78 : x
  2. Step 2: Convert to fraction form
    51,111,027.72/70,532,254.10 = 31,263,332.78/x
  3. Step 3: Cross multiply
    51,111,027.72x = 70,532,254.10 × 31,263,332.78
  4. Step 4: Simplify right side
    51,111,027.72x = 2,205,073,331,651,819.25
  5. Step 5: Solve for x
    x = 2,205,073,331,651,819.25/51,111,027.72
  6. Step 6: Final answer
    x = 43,142,809.49

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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.