Home / 253,392,232.32-349,682,240-137,498,728.32

Finding the Fourth Proportional to 253,392,232.32, 349,682,240 and 137,498,728.32

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Solution

The fourth proportional to 253,392,232.32, 349,682,240 and 137,498,728.32 is: 189,748,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,392,232.32 : 349,682,240 = 137,498,728.32 : x
  2. Step 2: Convert to fraction form
    253,392,232.32/349,682,240 = 137,498,728.32/x
  3. Step 3: Cross multiply
    253,392,232.32x = 349,682,240 × 137,498,728.32
  4. Step 4: Simplify right side
    253,392,232.32x = 48,080,863,316,089,032
  5. Step 5: Solve for x
    x = 48,080,863,316,089,032/253,392,232.32
  6. Step 6: Final answer
    x = 189,748,765.68

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Double scale
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1.5x scale

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.