Home / 137,754,632.65-190,101,382.42-75,874,971.21

Finding the Fourth Proportional to 137,754,632.65, 190,101,382.42 and 75,874,971.21

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Solution

The fourth proportional to 137,754,632.65, 190,101,382.42 and 75,874,971.21 is: 104,707,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,754,632.65 : 190,101,382.42 = 75,874,971.21 : x
  2. Step 2: Convert to fraction form
    137,754,632.65/190,101,382.42 = 75,874,971.21/x
  3. Step 3: Cross multiply
    137,754,632.65x = 190,101,382.42 × 75,874,971.21
  4. Step 4: Simplify right side
    137,754,632.65x = 14,423,936,918,098,698
  5. Step 5: Solve for x
    x = 14,423,936,918,098,698/137,754,632.65
  6. Step 6: Final answer
    x = 104,707,454.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.