Home / 113,944,190.80-157,086,810.08-72,107,444.56

Finding the Fourth Proportional to 113,944,190.80, 157,086,810.08 and 72,107,444.56

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Solution

The fourth proportional to 113,944,190.80, 157,086,810.08 and 72,107,444.56 is: 99,409,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,944,190.80 : 157,086,810.08 = 72,107,444.56 : x
  2. Step 2: Convert to fraction form
    113,944,190.80/157,086,810.08 = 72,107,444.56/x
  3. Step 3: Cross multiply
    113,944,190.80x = 157,086,810.08 × 72,107,444.56
  4. Step 4: Simplify right side
    113,944,190.80x = 11,327,128,448,950,850
  5. Step 5: Solve for x
    x = 11,327,128,448,950,850/113,944,190.80
  6. Step 6: Final answer
    x = 99,409,442.20

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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.