Home / 152,344,074.24-210,234,165.12-82,728,881.28

Finding the Fourth Proportional to 152,344,074.24, 210,234,165.12 and 82,728,881.28

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Solution

The fourth proportional to 152,344,074.24, 210,234,165.12 and 82,728,881.28 is: 114,165,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,344,074.24 : 210,234,165.12 = 82,728,881.28 : x
  2. Step 2: Convert to fraction form
    152,344,074.24/210,234,165.12 = 82,728,881.28/x
  3. Step 3: Cross multiply
    152,344,074.24x = 210,234,165.12 × 82,728,881.28
  4. Step 4: Simplify right side
    152,344,074.24x = 17,392,437,287,212,398
  5. Step 5: Solve for x
    x = 17,392,437,287,212,398/152,344,074.24
  6. Step 6: Final answer
    x = 114,165,499.21

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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.