Home / 86,906,058.20-130,374,833.70-43,666,443.80

Finding the Fourth Proportional to 86,906,058.20, 130,374,833.70 and 43,666,443.80

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Solution

The fourth proportional to 86,906,058.20, 130,374,833.70 and 43,666,443.80 is: 65,507,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,906,058.20 : 130,374,833.70 = 43,666,443.80 : x
  2. Step 2: Convert to fraction form
    86,906,058.20/130,374,833.70 = 43,666,443.80/x
  3. Step 3: Cross multiply
    86,906,058.20x = 130,374,833.70 × 43,666,443.80
  4. Step 4: Simplify right side
    86,906,058.20x = 5,693,005,348,695,396
  5. Step 5: Solve for x
    x = 5,693,005,348,695,396/86,906,058.20
  6. Step 6: Final answer
    x = 65,507,577.57

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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.