Home / 293,413,811.20-440,120,716.80-140,358,803.20

Finding the Fourth Proportional to 293,413,811.20, 440,120,716.80 and 140,358,803.20

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Solution

The fourth proportional to 293,413,811.20, 440,120,716.80 and 140,358,803.20 is: 210,538,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,413,811.20 : 440,120,716.80 = 140,358,803.20 : x
  2. Step 2: Convert to fraction form
    293,413,811.20/440,120,716.80 = 140,358,803.20/x
  3. Step 3: Cross multiply
    293,413,811.20x = 440,120,716.80 × 140,358,803.20
  4. Step 4: Simplify right side
    293,413,811.20x = 61,774,817,073,574,128
  5. Step 5: Solve for x
    x = 61,774,817,073,574,128/293,413,811.20
  6. Step 6: Final answer
    x = 210,538,204.80

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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.