Home / 91,864,601.80-137,796,902.70-66,036,569.20

Finding the Fourth Proportional to 91,864,601.80, 137,796,902.70 and 66,036,569.20

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Solution

The fourth proportional to 91,864,601.80, 137,796,902.70 and 66,036,569.20 is: 99,054,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864,601.80 : 137,796,902.70 = 66,036,569.20 : x
  2. Step 2: Convert to fraction form
    91,864,601.80/137,796,902.70 = 66,036,569.20/x
  3. Step 3: Cross multiply
    91,864,601.80x = 137,796,902.70 × 66,036,569.20
  4. Step 4: Simplify right side
    91,864,601.80x = 9,099,634,700,694,216
  5. Step 5: Solve for x
    x = 9,099,634,700,694,216/91,864,601.80
  6. Step 6: Final answer
    x = 99,054,853.80

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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.