Home / 55,385,572.53-83,081,901.75-21,306,918.41

Finding the Fourth Proportional to 55,385,572.53, 83,081,901.75 and 21,306,918.41

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Solution

The fourth proportional to 55,385,572.53, 83,081,901.75 and 21,306,918.41 is: 31,961,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,572.53 : 83,081,901.75 = 21,306,918.41 : x
  2. Step 2: Convert to fraction form
    55,385,572.53/83,081,901.75 = 21,306,918.41/x
  3. Step 3: Cross multiply
    55,385,572.53x = 83,081,901.75 × 21,306,918.41
  4. Step 4: Simplify right side
    55,385,572.53x = 1,770,219,301,934,886.25
  5. Step 5: Solve for x
    x = 1,770,219,301,934,886.25/55,385,572.53
  6. Step 6: Final answer
    x = 31,961,740.60

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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.