Home / 107,594,056-148,376,220.96-72,391,170.88

Finding the Fourth Proportional to 107,594,056, 148,376,220.96 and 72,391,170.88

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Solution

The fourth proportional to 107,594,056, 148,376,220.96 and 72,391,170.88 is: 99,830,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,594,056 : 148,376,220.96 = 72,391,170.88 : x
  2. Step 2: Convert to fraction form
    107,594,056/148,376,220.96 = 72,391,170.88/x
  3. Step 3: Cross multiply
    107,594,056x = 148,376,220.96 × 72,391,170.88
  4. Step 4: Simplify right side
    107,594,056x = 10,741,128,366,043,998
  5. Step 5: Solve for x
    x = 10,741,128,366,043,998/107,594,056
  6. Step 6: Final answer
    x = 99,830,127.85

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1.5x scale

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.