Home / 137,754,633.15-190,101,383.11-75,874,971.71

Finding the Fourth Proportional to 137,754,633.15, 190,101,383.11 and 75,874,971.71

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Solution

The fourth proportional to 137,754,633.15, 190,101,383.11 and 75,874,971.71 is: 104,707,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,754,633.15 : 190,101,383.11 = 75,874,971.71 : x
  2. Step 2: Convert to fraction form
    137,754,633.15/190,101,383.11 = 75,874,971.71/x
  3. Step 3: Cross multiply
    137,754,633.15x = 190,101,383.11 × 75,874,971.71
  4. Step 4: Simplify right side
    137,754,633.15x = 14,423,937,065,503,122
  5. Step 5: Solve for x
    x = 14,423,937,065,503,122/137,754,633.15
  6. Step 6: Final answer
    x = 104,707,455.10

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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.