Home / 219,965,405.60-330,137,065.20-97,332,442.40

Finding the Fourth Proportional to 219,965,405.60, 330,137,065.20 and 97,332,442.40

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Solution

The fourth proportional to 219,965,405.60, 330,137,065.20 and 97,332,442.40 is: 146,082,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965,405.60 : 330,137,065.20 = 97,332,442.40 : x
  2. Step 2: Convert to fraction form
    219,965,405.60/330,137,065.20 = 97,332,442.40/x
  3. Step 3: Cross multiply
    219,965,405.60x = 330,137,065.20 × 97,332,442.40
  4. Step 4: Simplify right side
    219,965,405.60x = 32,133,046,882,684,044
  5. Step 5: Solve for x
    x = 32,133,046,882,684,044/219,965,405.60
  6. Step 6: Final answer
    x = 146,082,275.05

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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.