Home / 69,905,216.07-104,876,866.80-21,381,994.35

Finding the Fourth Proportional to 69,905,216.07, 104,876,866.80 and 21,381,994.35

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Solution

The fourth proportional to 69,905,216.07, 104,876,866.80 and 21,381,994.35 is: 32,078,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,905,216.07 : 104,876,866.80 = 21,381,994.35 : x
  2. Step 2: Convert to fraction form
    69,905,216.07/104,876,866.80 = 21,381,994.35/x
  3. Step 3: Cross multiply
    69,905,216.07x = 104,876,866.80 × 21,381,994.35
  4. Step 4: Simplify right side
    69,905,216.07x = 2,242,476,573,363,302.75
  5. Step 5: Solve for x
    x = 2,242,476,573,363,302.75/69,905,216.07
  6. Step 6: Final answer
    x = 32,078,816.14

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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.