Home / 82,835,999.20-124,253,998.80-70,081,415.20

Finding the Fourth Proportional to 82,835,999.20, 124,253,998.80 and 70,081,415.20

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Solution

The fourth proportional to 82,835,999.20, 124,253,998.80 and 70,081,415.20 is: 105,122,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835,999.20 : 124,253,998.80 = 70,081,415.20 : x
  2. Step 2: Convert to fraction form
    82,835,999.20/124,253,998.80 = 70,081,415.20/x
  3. Step 3: Cross multiply
    82,835,999.20x = 124,253,998.80 × 70,081,415.20
  4. Step 4: Simplify right side
    82,835,999.20x = 8,707,896,080,163,102
  5. Step 5: Solve for x
    x = 8,707,896,080,163,102/82,835,999.20
  6. Step 6: Final answer
    x = 105,122,122.80

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1.5x scale

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.