Home / 217,497,866.40-326,624,713.20-115,461,194.40

Finding the Fourth Proportional to 217,497,866.40, 326,624,713.20 and 115,461,194.40

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Solution

The fourth proportional to 217,497,866.40, 326,624,713.20 and 115,461,194.40 is: 173,392,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,497,866.40 : 326,624,713.20 = 115,461,194.40 : x
  2. Step 2: Convert to fraction form
    217,497,866.40/326,624,713.20 = 115,461,194.40/x
  3. Step 3: Cross multiply
    217,497,866.40x = 326,624,713.20 × 115,461,194.40
  4. Step 4: Simplify right side
    217,497,866.40x = 37,712,479,506,629,448
  5. Step 5: Solve for x
    x = 37,712,479,506,629,448/217,497,866.40
  6. Step 6: Final answer
    x = 173,392,411.30

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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.