Home / 204,343,707.27-306,634,522.65-86,161,054.88

Finding the Fourth Proportional to 204,343,707.27, 306,634,522.65 and 86,161,054.88

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Solution

The fourth proportional to 204,343,707.27, 306,634,522.65 and 86,161,054.88 is: 129,291,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,343,707.27 : 306,634,522.65 = 86,161,054.88 : x
  2. Step 2: Convert to fraction form
    204,343,707.27/306,634,522.65 = 86,161,054.88/x
  3. Step 3: Cross multiply
    204,343,707.27x = 306,634,522.65 × 86,161,054.88
  4. Step 4: Simplify right side
    204,343,707.27x = 26,419,953,934,149,248
  5. Step 5: Solve for x
    x = 26,419,953,934,149,248/204,343,707.27
  6. Step 6: Final answer
    x = 129,291,742.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.