Home / 137,752,837.29-190,098,908.73-75,873,178.89

Finding the Fourth Proportional to 137,752,837.29, 190,098,908.73 and 75,873,178.89

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Solution

The fourth proportional to 137,752,837.29, 190,098,908.73 and 75,873,178.89 is: 104,704,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,752,837.29 : 190,098,908.73 = 75,873,178.89 : x
  2. Step 2: Convert to fraction form
    137,752,837.29/190,098,908.73 = 75,873,178.89/x
  3. Step 3: Cross multiply
    137,752,837.29x = 190,098,908.73 × 75,873,178.89
  4. Step 4: Simplify right side
    137,752,837.29x = 14,423,408,508,865,072
  5. Step 5: Solve for x
    x = 14,423,408,508,865,072/137,752,837.29
  6. Step 6: Final answer
    x = 104,704,983.16

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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.