Home / 75,042,066.32-103,622,681.46-47,211,165.44

Finding the Fourth Proportional to 75,042,066.32, 103,622,681.46 and 47,211,165.44

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Solution

The fourth proportional to 75,042,066.32, 103,622,681.46 and 47,211,165.44 is: 65,192,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042,066.32 : 103,622,681.46 = 47,211,165.44 : x
  2. Step 2: Convert to fraction form
    75,042,066.32/103,622,681.46 = 47,211,165.44/x
  3. Step 3: Cross multiply
    75,042,066.32x = 103,622,681.46 × 47,211,165.44
  4. Step 4: Simplify right side
    75,042,066.32x = 4,892,147,557,744,480
  5. Step 5: Solve for x
    x = 4,892,147,557,744,480/75,042,066.32
  6. Step 6: Final answer
    x = 65,192,068.90

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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.