Home / 137,754,632.90-190,101,382.77-75,874,971.47

Finding the Fourth Proportional to 137,754,632.90, 190,101,382.77 and 75,874,971.47

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Solution

The fourth proportional to 137,754,632.90, 190,101,382.77 and 75,874,971.47 is: 104,707,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,754,632.90 : 190,101,382.77 = 75,874,971.47 : x
  2. Step 2: Convert to fraction form
    137,754,632.90/190,101,382.77 = 75,874,971.47/x
  3. Step 3: Cross multiply
    137,754,632.90x = 190,101,382.77 × 75,874,971.47
  4. Step 4: Simplify right side
    137,754,632.90x = 14,423,936,993,130,794
  5. Step 5: Solve for x
    x = 14,423,936,993,130,794/137,754,632.90
  6. Step 6: Final answer
    x = 104,707,454.77

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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.