Home / 101,594,312.76-140,202,759.78-55,187,222.52

Finding the Fourth Proportional to 101,594,312.76, 140,202,759.78 and 55,187,222.52

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Solution

The fourth proportional to 101,594,312.76, 140,202,759.78 and 55,187,222.52 is: 76,159,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,594,312.76 : 140,202,759.78 = 55,187,222.52 : x
  2. Step 2: Convert to fraction form
    101,594,312.76/140,202,759.78 = 55,187,222.52/x
  3. Step 3: Cross multiply
    101,594,312.76x = 140,202,759.78 × 55,187,222.52
  4. Step 4: Simplify right side
    101,594,312.76x = 7,737,400,901,896,967
  5. Step 5: Solve for x
    x = 7,737,400,901,896,967/101,594,312.76
  6. Step 6: Final answer
    x = 76,159,783.87

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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.