Home / 217,748,400.30-326,622,600.45-74,141,232.30

Finding the Fourth Proportional to 217,748,400.30, 326,622,600.45 and 74,141,232.30

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Solution

The fourth proportional to 217,748,400.30, 326,622,600.45 and 74,141,232.30 is: 111,211,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748,400.30 : 326,622,600.45 = 74,141,232.30 : x
  2. Step 2: Convert to fraction form
    217,748,400.30/326,622,600.45 = 74,141,232.30/x
  3. Step 3: Cross multiply
    217,748,400.30x = 326,622,600.45 × 74,141,232.30
  4. Step 4: Simplify right side
    217,748,400.30x = 24,216,202,094,393,532
  5. Step 5: Solve for x
    x = 24,216,202,094,393,532/217,748,400.30
  6. Step 6: Final answer
    x = 111,211,848.45

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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.