Home / 253,074,255.42-379,513,240.11-87,046,190.31

Finding the Fourth Proportional to 253,074,255.42, 379,513,240.11 and 87,046,190.31

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Solution

The fourth proportional to 253,074,255.42, 379,513,240.11 and 87,046,190.31 is: 130,535,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,074,255.42 : 379,513,240.11 = 87,046,190.31 : x
  2. Step 2: Convert to fraction form
    253,074,255.42/379,513,240.11 = 87,046,190.31/x
  3. Step 3: Cross multiply
    253,074,255.42x = 379,513,240.11 × 87,046,190.31
  4. Step 4: Simplify right side
    253,074,255.42x = 33,035,181,723,779,788
  5. Step 5: Solve for x
    x = 33,035,181,723,779,788/253,074,255.42
  6. Step 6: Final answer
    x = 130,535,528.67

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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.