Home / 107,835,111.70-161,752,667.55-77,224,110.10

Finding the Fourth Proportional to 107,835,111.70, 161,752,667.55 and 77,224,110.10

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Solution

The fourth proportional to 107,835,111.70, 161,752,667.55 and 77,224,110.10 is: 115,836,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835,111.70 : 161,752,667.55 = 77,224,110.10 : x
  2. Step 2: Convert to fraction form
    107,835,111.70/161,752,667.55 = 77,224,110.10/x
  3. Step 3: Cross multiply
    107,835,111.70x = 161,752,667.55 × 77,224,110.10
  4. Step 4: Simplify right side
    107,835,111.70x = 12,491,205,807,849,898
  5. Step 5: Solve for x
    x = 12,491,205,807,849,898/107,835,111.70
  6. Step 6: Final answer
    x = 115,836,165.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.