Home / 354,364,247.30-531,531,227.34-121,215,807.20

Finding the Fourth Proportional to 354,364,247.30, 531,531,227.34 and 121,215,807.20

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Solution

The fourth proportional to 354,364,247.30, 531,531,227.34 and 121,215,807.20 is: 181,818,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,364,247.30 : 531,531,227.34 = 121,215,807.20 : x
  2. Step 2: Convert to fraction form
    354,364,247.30/531,531,227.34 = 121,215,807.20/x
  3. Step 3: Cross multiply
    354,364,247.30x = 531,531,227.34 × 121,215,807.20
  4. Step 4: Simplify right side
    354,364,247.30x = 64,429,986,771,064,104
  5. Step 5: Solve for x
    x = 64,429,986,771,064,104/354,364,247.30
  6. Step 6: Final answer
    x = 181,818,530.69

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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.