Home / 316,497,379.77-474,702,971.95-83,308,564.85

Finding the Fourth Proportional to 316,497,379.77, 474,702,971.95 and 83,308,564.85

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Solution

The fourth proportional to 316,497,379.77, 474,702,971.95 and 83,308,564.85 is: 124,951,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,497,379.77 : 474,702,971.95 = 83,308,564.85 : x
  2. Step 2: Convert to fraction form
    316,497,379.77/474,702,971.95 = 83,308,564.85/x
  3. Step 3: Cross multiply
    316,497,379.77x = 474,702,971.95 × 83,308,564.85
  4. Step 4: Simplify right side
    316,497,379.77x = 39,546,823,320,914,928
  5. Step 5: Solve for x
    x = 39,546,823,320,914,928/316,497,379.77
  6. Step 6: Final answer
    x = 124,951,503.07

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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.