Home / 215,536,129.80-323,508,592.93-133,406,574.27

Finding the Fourth Proportional to 215,536,129.80, 323,508,592.93 and 133,406,574.27

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Solution

The fourth proportional to 215,536,129.80, 323,508,592.93 and 133,406,574.27 is: 200,236,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,536,129.80 : 323,508,592.93 = 133,406,574.27 : x
  2. Step 2: Convert to fraction form
    215,536,129.80/323,508,592.93 = 133,406,574.27/x
  3. Step 3: Cross multiply
    215,536,129.80x = 323,508,592.93 × 133,406,574.27
  4. Step 4: Simplify right side
    215,536,129.80x = 43,158,173,129,699,240
  5. Step 5: Solve for x
    x = 43,158,173,129,699,240/215,536,129.80
  6. Step 6: Final answer
    x = 200,236,374.15

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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.