Home / 99,055,047.40-136,665,311.29-57,223,849.77

Finding the Fourth Proportional to 99,055,047.40, 136,665,311.29 and 57,223,849.77

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Solution

The fourth proportional to 99,055,047.40, 136,665,311.29 and 57,223,849.77 is: 78,951,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,055,047.40 : 136,665,311.29 = 57,223,849.77 : x
  2. Step 2: Convert to fraction form
    99,055,047.40/136,665,311.29 = 57,223,849.77/x
  3. Step 3: Cross multiply
    99,055,047.40x = 136,665,311.29 × 57,223,849.77
  4. Step 4: Simplify right side
    99,055,047.40x = 7,820,515,241,886,185
  5. Step 5: Solve for x
    x = 7,820,515,241,886,185/99,055,047.40
  6. Step 6: Final answer
    x = 78,951,203.87

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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.