Home / 312,616,735.04-468,878,976.91-91,228,632.04

Finding the Fourth Proportional to 312,616,735.04, 468,878,976.91 and 91,228,632.04

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Solution

The fourth proportional to 312,616,735.04, 468,878,976.91 and 91,228,632.04 is: 136,829,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,616,735.04 : 468,878,976.91 = 91,228,632.04 : x
  2. Step 2: Convert to fraction form
    312,616,735.04/468,878,976.91 = 91,228,632.04/x
  3. Step 3: Cross multiply
    312,616,735.04x = 468,878,976.91 × 91,228,632.04
  4. Step 4: Simplify right side
    312,616,735.04x = 42,775,187,655,814,048
  5. Step 5: Solve for x
    x = 42,775,187,655,814,048/312,616,735.04
  6. Step 6: Final answer
    x = 136,829,487.55

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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.