Home / 82,482,218.81-123,739,260.44-31,360,262.75

Finding the Fourth Proportional to 82,482,218.81, 123,739,260.44 and 31,360,262.75

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Solution

The fourth proportional to 82,482,218.81, 123,739,260.44 and 31,360,262.75 is: 47,046,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,482,218.81 : 123,739,260.44 = 31,360,262.75 : x
  2. Step 2: Convert to fraction form
    82,482,218.81/123,739,260.44 = 31,360,262.75/x
  3. Step 3: Cross multiply
    82,482,218.81x = 123,739,260.44 × 31,360,262.75
  4. Step 4: Simplify right side
    82,482,218.81x = 3,880,495,719,889,080.50
  5. Step 5: Solve for x
    x = 3,880,495,719,889,080.50/82,482,218.81
  6. Step 6: Final answer
    x = 47,046,451.66

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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.