Home / 90,434,066.24-124,797,837.60-49,180,080.32

Finding the Fourth Proportional to 90,434,066.24, 124,797,837.60 and 49,180,080.32

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Solution

The fourth proportional to 90,434,066.24, 124,797,837.60 and 49,180,080.32 is: 67,867,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,434,066.24 : 124,797,837.60 = 49,180,080.32 : x
  2. Step 2: Convert to fraction form
    90,434,066.24/124,797,837.60 = 49,180,080.32/x
  3. Step 3: Cross multiply
    90,434,066.24x = 124,797,837.60 × 49,180,080.32
  4. Step 4: Simplify right side
    90,434,066.24x = 6,137,567,676,930,316
  5. Step 5: Solve for x
    x = 6,137,567,676,930,316/90,434,066.24
  6. Step 6: Final answer
    x = 67,867,872.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.