Home / 54,943,998.40-82,415,997.60-42,228,683.20

Finding the Fourth Proportional to 54,943,998.40, 82,415,997.60 and 42,228,683.20

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Solution

The fourth proportional to 54,943,998.40, 82,415,997.60 and 42,228,683.20 is: 63,343,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943,998.40 : 82,415,997.60 = 42,228,683.20 : x
  2. Step 2: Convert to fraction form
    54,943,998.40/82,415,997.60 = 42,228,683.20/x
  3. Step 3: Cross multiply
    54,943,998.40x = 82,415,997.60 × 42,228,683.20
  4. Step 4: Simplify right side
    54,943,998.40x = 3,480,319,053,262,360.50
  5. Step 5: Solve for x
    x = 3,480,319,053,262,360.50/54,943,998.40
  6. Step 6: Final answer
    x = 63,343,024.80

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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.