Home / 79,402,726.80-119,104,090.20-21,903,872.40

Finding the Fourth Proportional to 79,402,726.80, 119,104,090.20 and 21,903,872.40

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Solution

The fourth proportional to 79,402,726.80, 119,104,090.20 and 21,903,872.40 is: 32,855,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,402,726.80 : 119,104,090.20 = 21,903,872.40 : x
  2. Step 2: Convert to fraction form
    79,402,726.80/119,104,090.20 = 21,903,872.40/x
  3. Step 3: Cross multiply
    79,402,726.80x = 119,104,090.20 × 21,903,872.40
  4. Step 4: Simplify right side
    79,402,726.80x = 2,608,840,794,058,890.50
  5. Step 5: Solve for x
    x = 2,608,840,794,058,890.50/79,402,726.80
  6. Step 6: Final answer
    x = 32,855,808.60

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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.