Home / 213,173,630.28-319,712,616.54-98,047,565.64

Finding the Fourth Proportional to 213,173,630.28, 319,712,616.54 and 98,047,565.64

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Solution

The fourth proportional to 213,173,630.28, 319,712,616.54 and 98,047,565.64 is: 147,049,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,173,630.28 : 319,712,616.54 = 98,047,565.64 : x
  2. Step 2: Convert to fraction form
    213,173,630.28/319,712,616.54 = 98,047,565.64/x
  3. Step 3: Cross multiply
    213,173,630.28x = 319,712,616.54 × 98,047,565.64
  4. Step 4: Simplify right side
    213,173,630.28x = 31,347,043,756,141,800
  5. Step 5: Solve for x
    x = 31,347,043,756,141,800/213,173,630.28
  6. Step 6: Final answer
    x = 147,049,349.94

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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.