Home / 219,842,505.56-329,774,364.12-72,286,798.68

Finding the Fourth Proportional to 219,842,505.56, 329,774,364.12 and 72,286,798.68

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Solution

The fourth proportional to 219,842,505.56, 329,774,364.12 and 72,286,798.68 is: 108,433,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842,505.56 : 329,774,364.12 = 72,286,798.68 : x
  2. Step 2: Convert to fraction form
    219,842,505.56/329,774,364.12 = 72,286,798.68/x
  3. Step 3: Cross multiply
    219,842,505.56x = 329,774,364.12 × 72,286,798.68
  4. Step 4: Simplify right side
    219,842,505.56x = 23,838,333,068,967,460
  5. Step 5: Solve for x
    x = 23,838,333,068,967,460/219,842,505.56
  6. Step 6: Final answer
    x = 108,433,685.33

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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.