Home / 210,348,580.24-316,958,653.18-172,850,103.28

Finding the Fourth Proportional to 210,348,580.24, 316,958,653.18 and 172,850,103.28

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Solution

The fourth proportional to 210,348,580.24, 316,958,653.18 and 172,850,103.28 is: 260,454,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,348,580.24 : 316,958,653.18 = 172,850,103.28 : x
  2. Step 2: Convert to fraction form
    210,348,580.24/316,958,653.18 = 172,850,103.28/x
  3. Step 3: Cross multiply
    210,348,580.24x = 316,958,653.18 × 172,850,103.28
  4. Step 4: Simplify right side
    210,348,580.24x = 54,786,335,937,652,704
  5. Step 5: Solve for x
    x = 54,786,335,937,652,704/210,348,580.24
  6. Step 6: Final answer
    x = 260,454,983.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.