Home / 210,315,629.07-290,220,362.74-116,228,650.12

Finding the Fourth Proportional to 210,315,629.07, 290,220,362.74 and 116,228,650.12

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Solution

The fourth proportional to 210,315,629.07, 290,220,362.74 and 116,228,650.12 is: 160,387,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,315,629.07 : 290,220,362.74 = 116,228,650.12 : x
  2. Step 2: Convert to fraction form
    210,315,629.07/290,220,362.74 = 116,228,650.12/x
  3. Step 3: Cross multiply
    210,315,629.07x = 290,220,362.74 × 116,228,650.12
  4. Step 4: Simplify right side
    210,315,629.07x = 33,731,920,998,606,948
  5. Step 5: Solve for x
    x = 33,731,920,998,606,948/210,315,629.07
  6. Step 6: Final answer
    x = 160,387,134.08

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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.