Home / 73,218,865.80-101,041,753.44-40,179,667.32

Finding the Fourth Proportional to 73,218,865.80, 101,041,753.44 and 40,179,667.32

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Solution

The fourth proportional to 73,218,865.80, 101,041,753.44 and 40,179,667.32 is: 55,447,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218,865.80 : 101,041,753.44 = 40,179,667.32 : x
  2. Step 2: Convert to fraction form
    73,218,865.80/101,041,753.44 = 40,179,667.32/x
  3. Step 3: Cross multiply
    73,218,865.80x = 101,041,753.44 × 40,179,667.32
  4. Step 4: Simplify right side
    73,218,865.80x = 4,059,824,038,648,665.50
  5. Step 5: Solve for x
    x = 4,059,824,038,648,665.50/73,218,865.80
  6. Step 6: Final answer
    x = 55,447,786.50

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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.