Home / 151,973,384.40-209,723,449.86-82,358,764.92

Finding the Fourth Proportional to 151,973,384.40, 209,723,449.86 and 82,358,764.92

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Solution

The fourth proportional to 151,973,384.40, 209,723,449.86 and 82,358,764.92 is: 113,655,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,384.40 : 209,723,449.86 = 82,358,764.92 : x
  2. Step 2: Convert to fraction form
    151,973,384.40/209,723,449.86 = 82,358,764.92/x
  3. Step 3: Cross multiply
    151,973,384.40x = 209,723,449.86 × 82,358,764.92
  4. Step 4: Simplify right side
    151,973,384.40x = 17,272,564,305,231,148
  5. Step 5: Solve for x
    x = 17,272,564,305,231,148/151,973,384.40
  6. Step 6: Final answer
    x = 113,655,192.81

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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.