Home / 210,348,972.80-316,959,244.13-172,850,495.84

Finding the Fourth Proportional to 210,348,972.80, 316,959,244.13 and 172,850,495.84

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Solution

The fourth proportional to 210,348,972.80, 316,959,244.13 and 172,850,495.84 is: 260,455,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,348,972.80 : 316,959,244.13 = 172,850,495.84 : x
  2. Step 2: Convert to fraction form
    210,348,972.80/316,959,244.13 = 172,850,495.84/x
  3. Step 3: Cross multiply
    210,348,972.80x = 316,959,244.13 × 172,850,495.84
  4. Step 4: Simplify right side
    210,348,972.80x = 54,786,562,508,942,112
  5. Step 5: Solve for x
    x = 54,786,562,508,942,112/210,348,972.80
  6. Step 6: Final answer
    x = 260,455,574.28

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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.