Home / 219,171,530.08-302,455,956.72-126,351,595.36

Finding the Fourth Proportional to 219,171,530.08, 302,455,956.72 and 126,351,595.36

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Solution

The fourth proportional to 219,171,530.08, 302,455,956.72 and 126,351,595.36 is: 174,364,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,171,530.08 : 302,455,956.72 = 126,351,595.36 : x
  2. Step 2: Convert to fraction form
    219,171,530.08/302,455,956.72 = 126,351,595.36/x
  3. Step 3: Cross multiply
    219,171,530.08x = 302,455,956.72 × 126,351,595.36
  4. Step 4: Simplify right side
    219,171,530.08x = 38,215,792,657,707,120
  5. Step 5: Solve for x
    x = 38,215,792,657,707,120/219,171,530.08
  6. Step 6: Final answer
    x = 174,364,766.46

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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.