Home / 210,409,542.81-290,374,137.23-117,590,049.81

Finding the Fourth Proportional to 210,409,542.81, 290,374,137.23 and 117,590,049.81

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Solution

The fourth proportional to 210,409,542.81, 290,374,137.23 and 117,590,049.81 is: 162,279,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,409,542.81 : 290,374,137.23 = 117,590,049.81 : x
  2. Step 2: Convert to fraction form
    210,409,542.81/290,374,137.23 = 117,590,049.81/x
  3. Step 3: Cross multiply
    210,409,542.81x = 290,374,137.23 × 117,590,049.81
  4. Step 4: Simplify right side
    210,409,542.81x = 34,145,109,259,823,528
  5. Step 5: Solve for x
    x = 34,145,109,259,823,528/210,409,542.81
  6. Step 6: Final answer
    x = 162,279,280.70

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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.