Home / 162,036,743.28-223,590,904.92-129,080,914.80

Finding the Fourth Proportional to 162,036,743.28, 223,590,904.92 and 129,080,914.80

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Solution

The fourth proportional to 162,036,743.28, 223,590,904.92 and 129,080,914.80 is: 178,115,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,036,743.28 : 223,590,904.92 = 129,080,914.80 : x
  2. Step 2: Convert to fraction form
    162,036,743.28/223,590,904.92 = 129,080,914.80/x
  3. Step 3: Cross multiply
    162,036,743.28x = 223,590,904.92 × 129,080,914.80
  4. Step 4: Simplify right side
    162,036,743.28x = 28,861,318,548,033,420
  5. Step 5: Solve for x
    x = 28,861,318,548,033,420/162,036,743.28
  6. Step 6: Final answer
    x = 178,115,888.80

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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.