Home / 131,772,040.77-197,657,065.94-39,655,382.25

Finding the Fourth Proportional to 131,772,040.77, 197,657,065.94 and 39,655,382.25

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Solution

The fourth proportional to 131,772,040.77, 197,657,065.94 and 39,655,382.25 is: 59,482,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,772,040.77 : 197,657,065.94 = 39,655,382.25 : x
  2. Step 2: Convert to fraction form
    131,772,040.77/197,657,065.94 = 39,655,382.25/x
  3. Step 3: Cross multiply
    131,772,040.77x = 197,657,065.94 × 39,655,382.25
  4. Step 4: Simplify right side
    131,772,040.77x = 7,838,166,504,065,879
  5. Step 5: Solve for x
    x = 7,838,166,504,065,879/131,772,040.77
  6. Step 6: Final answer
    x = 59,482,773.87

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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.