Home / 210,569,460.20-290,487,933.24-136,254,010.10

Finding the Fourth Proportional to 210,569,460.20, 290,487,933.24 and 136,254,010.10

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Solution

The fourth proportional to 210,569,460.20, 290,487,933.24 and 136,254,010.10 is: 187,967,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,569,460.20 : 290,487,933.24 = 136,254,010.10 : x
  2. Step 2: Convert to fraction form
    210,569,460.20/290,487,933.24 = 136,254,010.10/x
  3. Step 3: Cross multiply
    210,569,460.20x = 290,487,933.24 × 136,254,010.10
  4. Step 4: Simplify right side
    210,569,460.20x = 39,580,145,788,158,648
  5. Step 5: Solve for x
    x = 39,580,145,788,158,648/210,569,460.20
  6. Step 6: Final answer
    x = 187,967,171.27

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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.