Home / 78,533,554.82-108,374,983.44-43,254,645.19

Finding the Fourth Proportional to 78,533,554.82, 108,374,983.44 and 43,254,645.19

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Solution

The fourth proportional to 78,533,554.82, 108,374,983.44 and 43,254,645.19 is: 59,690,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,533,554.82 : 108,374,983.44 = 43,254,645.19 : x
  2. Step 2: Convert to fraction form
    78,533,554.82/108,374,983.44 = 43,254,645.19/x
  3. Step 3: Cross multiply
    78,533,554.82x = 108,374,983.44 × 43,254,645.19
  4. Step 4: Simplify right side
    78,533,554.82x = 4,687,721,456,513,237
  5. Step 5: Solve for x
    x = 4,687,721,456,513,237/78,533,554.82
  6. Step 6: Final answer
    x = 59,690,682.12

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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.