Home / 63,842,362.40-95,776,995.54-20,708,202.80

Finding the Fourth Proportional to 63,842,362.40, 95,776,995.54 and 20,708,202.80

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Solution

The fourth proportional to 63,842,362.40, 95,776,995.54 and 20,708,202.80 is: 31,066,667.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,842,362.40 : 95,776,995.54 = 20,708,202.80 : x
  2. Step 2: Convert to fraction form
    63,842,362.40/95,776,995.54 = 20,708,202.80/x
  3. Step 3: Cross multiply
    63,842,362.40x = 95,776,995.54 × 20,708,202.80
  4. Step 4: Simplify right side
    63,842,362.40x = 1,983,369,447,217,015.75
  5. Step 5: Solve for x
    x = 1,983,369,447,217,015.75/63,842,362.40
  6. Step 6: Final answer
    x = 31,066,667.53

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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.