Home / 219,842,563.04-329,774,449.56-72,286,856.07

Finding the Fourth Proportional to 219,842,563.04, 329,774,449.56 and 72,286,856.07

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Solution

The fourth proportional to 219,842,563.04, 329,774,449.56 and 72,286,856.07 is: 108,433,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842,563.04 : 329,774,449.56 = 72,286,856.07 : x
  2. Step 2: Convert to fraction form
    219,842,563.04/329,774,449.56 = 72,286,856.07/x
  3. Step 3: Cross multiply
    219,842,563.04x = 329,774,449.56 × 72,286,856.07
  4. Step 4: Simplify right side
    219,842,563.04x = 23,838,358,170,907,192
  5. Step 5: Solve for x
    x = 23,838,358,170,907,192/219,842,563.04
  6. Step 6: Final answer
    x = 108,433,771.16

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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.