Home / 67,784,428.80-101,676,643.20-21,726,208.80

Finding the Fourth Proportional to 67,784,428.80, 101,676,643.20 and 21,726,208.80

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Solution

The fourth proportional to 67,784,428.80, 101,676,643.20 and 21,726,208.80 is: 32,589,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,784,428.80 : 101,676,643.20 = 21,726,208.80 : x
  2. Step 2: Convert to fraction form
    67,784,428.80/101,676,643.20 = 21,726,208.80/x
  3. Step 3: Cross multiply
    67,784,428.80x = 101,676,643.20 × 21,726,208.80
  4. Step 4: Simplify right side
    67,784,428.80x = 2,209,047,980,246,300.25
  5. Step 5: Solve for x
    x = 2,209,047,980,246,300.25/67,784,428.80
  6. Step 6: Final answer
    x = 32,589,313.20

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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.