Home / 219,718,518.68-329,392,421.58-180,858,888.46

Finding the Fourth Proportional to 219,718,518.68, 329,392,421.58 and 180,858,888.46

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Solution

The fourth proportional to 219,718,518.68, 329,392,421.58 and 180,858,888.46 is: 271,135,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,718,518.68 : 329,392,421.58 = 180,858,888.46 : x
  2. Step 2: Convert to fraction form
    219,718,518.68/329,392,421.58 = 180,858,888.46/x
  3. Step 3: Cross multiply
    219,718,518.68x = 329,392,421.58 × 180,858,888.46
  4. Step 4: Simplify right side
    219,718,518.68x = 59,573,547,234,106,520
  5. Step 5: Solve for x
    x = 59,573,547,234,106,520/219,718,518.68
  6. Step 6: Final answer
    x = 271,135,758.57

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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.