Home / 161,861,505.58-223,368,719.34-87,521,888.53

Finding the Fourth Proportional to 161,861,505.58, 223,368,719.34 and 87,521,888.53

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Solution

The fourth proportional to 161,861,505.58, 223,368,719.34 and 87,521,888.53 is: 120,780,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,861,505.58 : 223,368,719.34 = 87,521,888.53 : x
  2. Step 2: Convert to fraction form
    161,861,505.58/223,368,719.34 = 87,521,888.53/x
  3. Step 3: Cross multiply
    161,861,505.58x = 223,368,719.34 × 87,521,888.53
  4. Step 4: Simplify right side
    161,861,505.58x = 19,549,652,155,164,336
  5. Step 5: Solve for x
    x = 19,549,652,155,164,336/161,861,505.58
  6. Step 6: Final answer
    x = 120,780,120.54

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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.