Home / 69,648,782.94-104,473,417.38-21,127,054.86

Finding the Fourth Proportional to 69,648,782.94, 104,473,417.38 and 21,127,054.86

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Solution

The fourth proportional to 69,648,782.94, 104,473,417.38 and 21,127,054.86 is: 31,690,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648,782.94 : 104,473,417.38 = 21,127,054.86 : x
  2. Step 2: Convert to fraction form
    69,648,782.94/104,473,417.38 = 21,127,054.86/x
  3. Step 3: Cross multiply
    69,648,782.94x = 104,473,417.38 × 21,127,054.86
  4. Step 4: Simplify right side
    69,648,782.94x = 2,207,215,620,398,937.25
  5. Step 5: Solve for x
    x = 2,207,215,620,398,937.25/69,648,782.94
  6. Step 6: Final answer
    x = 31,690,655.99

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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.