Home / 207,238,217.72-310,836,023.98-69,048,899.96

Finding the Fourth Proportional to 207,238,217.72, 310,836,023.98 and 69,048,899.96

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Solution

The fourth proportional to 207,238,217.72, 310,836,023.98 and 69,048,899.96 is: 103,566,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,238,217.72 : 310,836,023.98 = 69,048,899.96 : x
  2. Step 2: Convert to fraction form
    207,238,217.72/310,836,023.98 = 69,048,899.96/x
  3. Step 3: Cross multiply
    207,238,217.72x = 310,836,023.98 × 69,048,899.96
  4. Step 4: Simplify right side
    207,238,217.72x = 21,462,885,522,032,380
  5. Step 5: Solve for x
    x = 21,462,885,522,032,380/207,238,217.72
  6. Step 6: Final answer
    x = 103,566,252.20

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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.