Home / 57,679,253.80-86,518,880.70-53,299,810.60

Finding the Fourth Proportional to 57,679,253.80, 86,518,880.70 and 53,299,810.60

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Solution

The fourth proportional to 57,679,253.80, 86,518,880.70 and 53,299,810.60 is: 79,949,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,679,253.80 : 86,518,880.70 = 53,299,810.60 : x
  2. Step 2: Convert to fraction form
    57,679,253.80/86,518,880.70 = 53,299,810.60/x
  3. Step 3: Cross multiply
    57,679,253.80x = 86,518,880.70 × 53,299,810.60
  4. Step 4: Simplify right side
    57,679,253.80x = 4,611,439,954,633,996
  5. Step 5: Solve for x
    x = 4,611,439,954,633,996/57,679,253.80
  6. Step 6: Final answer
    x = 79,949,715.90

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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.