Home / 217,348,022,071.76-326,170,955,391.89-75,857,443,703.35

Finding the Fourth Proportional to 217,348,022,071.76, 326,170,955,391.89 and 75,857,443,703.35

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Solution

The fourth proportional to 217,348,022,071.76, 326,170,955,391.89 and 75,857,443,703.35 is: 113,838,141,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,348,022,071.76 : 326,170,955,391.89 = 75,857,443,703.35 : x
  2. Step 2: Convert to fraction form
    217,348,022,071.76/326,170,955,391.89 = 75,857,443,703.35/x
  3. Step 3: Cross multiply
    217,348,022,071.76x = 326,170,955,391.89 × 75,857,443,703.35
  4. Step 4: Simplify right side
    217,348,022,071.76x = 24,742,494,886,307,532,111,872
  5. Step 5: Solve for x
    x = 24,742,494,886,307,532,111,872/217,348,022,071.76
  6. Step 6: Final answer
    x = 113,838,141,476.80

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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.