Home / 217,752,078.60-326,628,117.90-195,581,147.40

Finding the Fourth Proportional to 217,752,078.60, 326,628,117.90 and 195,581,147.40

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Solution

The fourth proportional to 217,752,078.60, 326,628,117.90 and 195,581,147.40 is: 293,371,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,752,078.60 : 326,628,117.90 = 195,581,147.40 : x
  2. Step 2: Convert to fraction form
    217,752,078.60/326,628,117.90 = 195,581,147.40/x
  3. Step 3: Cross multiply
    217,752,078.60x = 326,628,117.90 × 195,581,147.40
  4. Step 4: Simplify right side
    217,752,078.60x = 63,882,302,071,984,472
  5. Step 5: Solve for x
    x = 63,882,302,071,984,472/217,752,078.60
  6. Step 6: Final answer
    x = 293,371,721.10

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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.