Home / 213,048,016.30-319,572,024.45-145,023,568.30

Finding the Fourth Proportional to 213,048,016.30, 319,572,024.45 and 145,023,568.30

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Solution

The fourth proportional to 213,048,016.30, 319,572,024.45 and 145,023,568.30 is: 217,535,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,048,016.30 : 319,572,024.45 = 145,023,568.30 : x
  2. Step 2: Convert to fraction form
    213,048,016.30/319,572,024.45 = 145,023,568.30/x
  3. Step 3: Cross multiply
    213,048,016.30x = 319,572,024.45 × 145,023,568.30
  4. Step 4: Simplify right side
    213,048,016.30x = 46,345,475,314,593,848
  5. Step 5: Solve for x
    x = 46,345,475,314,593,848/213,048,016.30
  6. Step 6: Final answer
    x = 217,535,352.45

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1.5x scale

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.