Home / 66,014,420.20-99,057,059.70-27,679,809.40

Finding the Fourth Proportional to 66,014,420.20, 99,057,059.70 and 27,679,809.40

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Solution

The fourth proportional to 66,014,420.20, 99,057,059.70 and 27,679,809.40 is: 41,534,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014,420.20 : 99,057,059.70 = 27,679,809.40 : x
  2. Step 2: Convert to fraction form
    66,014,420.20/99,057,059.70 = 27,679,809.40/x
  3. Step 3: Cross multiply
    66,014,420.20x = 99,057,059.70 × 27,679,809.40
  4. Step 4: Simplify right side
    66,014,420.20x = 2,741,880,532,220,421
  5. Step 5: Solve for x
    x = 2,741,880,532,220,421/66,014,420.20
  6. Step 6: Final answer
    x = 41,534,569.63

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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.