Home / 215,535,994.47-323,508,389.39-133,406,438.07

Finding the Fourth Proportional to 215,535,994.47, 323,508,389.39 and 133,406,438.07

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Solution

The fourth proportional to 215,535,994.47, 323,508,389.39 and 133,406,438.07 is: 200,236,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535,994.47 : 323,508,389.39 = 133,406,438.07 : x
  2. Step 2: Convert to fraction form
    215,535,994.47/323,508,389.39 = 133,406,438.07/x
  3. Step 3: Cross multiply
    215,535,994.47x = 323,508,389.39 × 133,406,438.07
  4. Step 4: Simplify right side
    215,535,994.47x = 43,158,101,913,615,448
  5. Step 5: Solve for x
    x = 43,158,101,913,615,448/215,535,994.47
  6. Step 6: Final answer
    x = 200,236,169.46

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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.