Home / 98,018,999.20-147,028,498.80-26,215,415.20

Finding the Fourth Proportional to 98,018,999.20, 147,028,498.80 and 26,215,415.20

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Solution

The fourth proportional to 98,018,999.20, 147,028,498.80 and 26,215,415.20 is: 39,323,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,018,999.20 : 147,028,498.80 = 26,215,415.20 : x
  2. Step 2: Convert to fraction form
    98,018,999.20/147,028,498.80 = 26,215,415.20/x
  3. Step 3: Cross multiply
    98,018,999.20x = 147,028,498.80 × 26,215,415.20
  4. Step 4: Simplify right side
    98,018,999.20x = 3,854,413,142,274,702
  5. Step 5: Solve for x
    x = 3,854,413,142,274,702/98,018,999.20
  6. Step 6: Final answer
    x = 39,323,122.80

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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.