Home / 216,669,116.76-325,028,337.48-78,559,764.36

Finding the Fourth Proportional to 216,669,116.76, 325,028,337.48 and 78,559,764.36

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Solution

The fourth proportional to 216,669,116.76, 325,028,337.48 and 78,559,764.36 is: 117,848,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,669,116.76 : 325,028,337.48 = 78,559,764.36 : x
  2. Step 2: Convert to fraction form
    216,669,116.76/325,028,337.48 = 78,559,764.36/x
  3. Step 3: Cross multiply
    216,669,116.76x = 325,028,337.48 × 78,559,764.36
  4. Step 4: Simplify right side
    216,669,116.76x = 25,534,149,602,751,356
  5. Step 5: Solve for x
    x = 25,534,149,602,751,356/216,669,116.76
  6. Step 6: Final answer
    x = 117,848,588.60

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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.