Home / 82,984,666.20-124,476,999.30-74,765,045.40

Finding the Fourth Proportional to 82,984,666.20, 124,476,999.30 and 74,765,045.40

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Solution

The fourth proportional to 82,984,666.20, 124,476,999.30 and 74,765,045.40 is: 112,147,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,984,666.20 : 124,476,999.30 = 74,765,045.40 : x
  2. Step 2: Convert to fraction form
    82,984,666.20/124,476,999.30 = 74,765,045.40/x
  3. Step 3: Cross multiply
    82,984,666.20x = 124,476,999.30 × 74,765,045.40
  4. Step 4: Simplify right side
    82,984,666.20x = 9,306,528,503,920,268
  5. Step 5: Solve for x
    x = 9,306,528,503,920,268/82,984,666.20
  6. Step 6: Final answer
    x = 112,147,568.10

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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.