Home / 65,111,372.40-97,667,058.60-19,680,178.80

Finding the Fourth Proportional to 65,111,372.40, 97,667,058.60 and 19,680,178.80

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Solution

The fourth proportional to 65,111,372.40, 97,667,058.60 and 19,680,178.80 is: 29,520,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,111,372.40 : 97,667,058.60 = 19,680,178.80 : x
  2. Step 2: Convert to fraction form
    65,111,372.40/97,667,058.60 = 19,680,178.80/x
  3. Step 3: Cross multiply
    65,111,372.40x = 97,667,058.60 × 19,680,178.80
  4. Step 4: Simplify right side
    65,111,372.40x = 1,922,105,176,118,077.75
  5. Step 5: Solve for x
    x = 1,922,105,176,118,077.75/65,111,372.40
  6. Step 6: Final answer
    x = 29,520,268.20

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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.