Home / 137,754,633.65-190,101,383.80-75,874,972.21

Finding the Fourth Proportional to 137,754,633.65, 190,101,383.80 and 75,874,972.21

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Solution

The fourth proportional to 137,754,633.65, 190,101,383.80 and 75,874,972.21 is: 104,707,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,754,633.65 : 190,101,383.80 = 75,874,972.21 : x
  2. Step 2: Convert to fraction form
    137,754,633.65/190,101,383.80 = 75,874,972.21/x
  3. Step 3: Cross multiply
    137,754,633.65x = 190,101,383.80 × 75,874,972.21
  4. Step 4: Simplify right side
    137,754,633.65x = 14,423,937,212,242,604
  5. Step 5: Solve for x
    x = 14,423,937,212,242,604/137,754,633.65
  6. Step 6: Final answer
    x = 104,707,455.79

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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.