Home / 155,559,629.70-233,283,457.35-78,857,165.70

Finding the Fourth Proportional to 155,559,629.70, 233,283,457.35 and 78,857,165.70

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Solution

The fourth proportional to 155,559,629.70, 233,283,457.35 and 78,857,165.70 is: 118,257,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,559,629.70 : 233,283,457.35 = 78,857,165.70 : x
  2. Step 2: Convert to fraction form
    155,559,629.70/233,283,457.35 = 78,857,165.70/x
  3. Step 3: Cross multiply
    155,559,629.70x = 233,283,457.35 × 78,857,165.70
  4. Step 4: Simplify right side
    155,559,629.70x = 18,396,072,251,317,832
  5. Step 5: Solve for x
    x = 18,396,072,251,317,832/155,559,629.70
  6. Step 6: Final answer
    x = 118,257,367.20

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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.