Home / 77,428,911.54-116,143,367.28-28,910,554.36

Finding the Fourth Proportional to 77,428,911.54, 116,143,367.28 and 28,910,554.36

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Solution

The fourth proportional to 77,428,911.54, 116,143,367.28 and 28,910,554.36 is: 43,365,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,428,911.54 : 116,143,367.28 = 28,910,554.36 : x
  2. Step 2: Convert to fraction form
    77,428,911.54/116,143,367.28 = 28,910,554.36/x
  3. Step 3: Cross multiply
    77,428,911.54x = 116,143,367.28 × 28,910,554.36
  4. Step 4: Simplify right side
    77,428,911.54x = 3,357,769,133,301,885.50
  5. Step 5: Solve for x
    x = 3,357,769,133,301,885.50/77,428,911.54
  6. Step 6: Final answer
    x = 43,365,831.53

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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.