Home / 69,884,388.72-104,826,840.66-21,362,053.95

Finding the Fourth Proportional to 69,884,388.72, 104,826,840.66 and 21,362,053.95

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Solution

The fourth proportional to 69,884,388.72, 104,826,840.66 and 21,362,053.95 is: 32,043,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,884,388.72 : 104,826,840.66 = 21,362,053.95 : x
  2. Step 2: Convert to fraction form
    69,884,388.72/104,826,840.66 = 21,362,053.95/x
  3. Step 3: Cross multiply
    69,884,388.72x = 104,826,840.66 × 21,362,053.95
  4. Step 4: Simplify right side
    69,884,388.72x = 2,239,316,625,586,973.50
  5. Step 5: Solve for x
    x = 2,239,316,625,586,973.50/69,884,388.72
  6. Step 6: Final answer
    x = 32,043,159.66

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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.