Home / 188,472,518.40-282,711,388.80-124,187,846.40

Finding the Fourth Proportional to 188,472,518.40, 282,711,388.80 and 124,187,846.40

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Solution

The fourth proportional to 188,472,518.40, 282,711,388.80 and 124,187,846.40 is: 186,283,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,472,518.40 : 282,711,388.80 = 124,187,846.40 : x
  2. Step 2: Convert to fraction form
    188,472,518.40/282,711,388.80 = 124,187,846.40/x
  3. Step 3: Cross multiply
    188,472,518.40x = 282,711,388.80 × 124,187,846.40
  4. Step 4: Simplify right side
    188,472,518.40x = 35,109,318,527,825,084
  5. Step 5: Solve for x
    x = 35,109,318,527,825,084/188,472,518.40
  6. Step 6: Final answer
    x = 186,283,490.17

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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.