Home / 118,940,712.66-163,832,356.89-84,073,459.14

Finding the Fourth Proportional to 118,940,712.66, 163,832,356.89 and 84,073,459.14

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Solution

The fourth proportional to 118,940,712.66, 163,832,356.89 and 84,073,459.14 is: 115,805,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,940,712.66 : 163,832,356.89 = 84,073,459.14 : x
  2. Step 2: Convert to fraction form
    118,940,712.66/163,832,356.89 = 84,073,459.14/x
  3. Step 3: Cross multiply
    118,940,712.66x = 163,832,356.89 × 84,073,459.14
  4. Step 4: Simplify right side
    118,940,712.66x = 13,773,952,962,801,312
  5. Step 5: Solve for x
    x = 13,773,952,962,801,312/118,940,712.66
  6. Step 6: Final answer
    x = 115,805,199.54

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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.