Home / 63,840,783.96-95,774,640.60-20,706,637.64

Finding the Fourth Proportional to 63,840,783.96, 95,774,640.60 and 20,706,637.64

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Solution

The fourth proportional to 63,840,783.96, 95,774,640.60 and 20,706,637.64 is: 31,064,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,840,783.96 : 95,774,640.60 = 20,706,637.64 : x
  2. Step 2: Convert to fraction form
    63,840,783.96/95,774,640.60 = 20,706,637.64/x
  3. Step 3: Cross multiply
    63,840,783.96x = 95,774,640.60 × 20,706,637.64
  4. Step 4: Simplify right side
    63,840,783.96x = 1,983,170,778,005,432
  5. Step 5: Solve for x
    x = 1,983,170,778,005,432/63,840,783.96
  6. Step 6: Final answer
    x = 31,064,323.70

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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.