Home / 97,665,612.80-146,246,476.80-77,510,220.80

Finding the Fourth Proportional to 97,665,612.80, 146,246,476.80 and 77,510,220.80

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Solution

The fourth proportional to 97,665,612.80, 146,246,476.80 and 77,510,220.80 is: 116,065,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,665,612.80 : 146,246,476.80 = 77,510,220.80 : x
  2. Step 2: Convert to fraction form
    97,665,612.80/146,246,476.80 = 77,510,220.80/x
  3. Step 3: Cross multiply
    97,665,612.80x = 146,246,476.80 × 77,510,220.80
  4. Step 4: Simplify right side
    97,665,612.80x = 11,335,596,707,990,078
  5. Step 5: Solve for x
    x = 11,335,596,707,990,078/97,665,612.80
  6. Step 6: Final answer
    x = 116,065,382.51

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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.