Home / 76,573,079.40-114,859,619.10-25,448,455.20

Finding the Fourth Proportional to 76,573,079.40, 114,859,619.10 and 25,448,455.20

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Solution

The fourth proportional to 76,573,079.40, 114,859,619.10 and 25,448,455.20 is: 38,172,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,573,079.40 : 114,859,619.10 = 25,448,455.20 : x
  2. Step 2: Convert to fraction form
    76,573,079.40/114,859,619.10 = 25,448,455.20/x
  3. Step 3: Cross multiply
    76,573,079.40x = 114,859,619.10 × 25,448,455.20
  4. Step 4: Simplify right side
    76,573,079.40x = 2,922,999,870,955,414
  5. Step 5: Solve for x
    x = 2,922,999,870,955,414/76,573,079.40
  6. Step 6: Final answer
    x = 38,172,682.80

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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.