Home / 217,853,022.40-326,443,610.40-188,963,627.20

Finding the Fourth Proportional to 217,853,022.40, 326,443,610.40 and 188,963,627.20

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Solution

The fourth proportional to 217,853,022.40, 326,443,610.40 and 188,963,627.20 is: 283,154,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,853,022.40 : 326,443,610.40 = 188,963,627.20 : x
  2. Step 2: Convert to fraction form
    217,853,022.40/326,443,610.40 = 188,963,627.20/x
  3. Step 3: Cross multiply
    217,853,022.40x = 326,443,610.40 × 188,963,627.20
  4. Step 4: Simplify right side
    217,853,022.40x = 61,685,968,697,447,632
  5. Step 5: Solve for x
    x = 61,685,968,697,447,632/217,853,022.40
  6. Step 6: Final answer
    x = 283,154,064.23

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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.