Home / 70,878,050.46-106,323,077.79-19,760,118.48

Finding the Fourth Proportional to 70,878,050.46, 106,323,077.79 and 19,760,118.48

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Solution

The fourth proportional to 70,878,050.46, 106,323,077.79 and 19,760,118.48 is: 29,641,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,878,050.46 : 106,323,077.79 = 19,760,118.48 : x
  2. Step 2: Convert to fraction form
    70,878,050.46/106,323,077.79 = 19,760,118.48/x
  3. Step 3: Cross multiply
    70,878,050.46x = 106,323,077.79 × 19,760,118.48
  4. Step 4: Simplify right side
    70,878,050.46x = 2,100,956,614,288,656.75
  5. Step 5: Solve for x
    x = 2,100,956,614,288,656.75/70,878,050.46
  6. Step 6: Final answer
    x = 29,641,851.05

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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.