Home / 54,917,118.34-81,890,478.54-54,424,206.81

Finding the Fourth Proportional to 54,917,118.34, 81,890,478.54 and 54,424,206.81

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Solution

The fourth proportional to 54,917,118.34, 81,890,478.54 and 54,424,206.81 is: 81,155,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917,118.34 : 81,890,478.54 = 54,424,206.81 : x
  2. Step 2: Convert to fraction form
    54,917,118.34/81,890,478.54 = 54,424,206.81/x
  3. Step 3: Cross multiply
    54,917,118.34x = 81,890,478.54 × 54,424,206.81
  4. Step 4: Simplify right side
    54,917,118.34x = 4,456,824,339,830,827.50
  5. Step 5: Solve for x
    x = 4,456,824,339,830,827.50/54,917,118.34
  6. Step 6: Final answer
    x = 81,155,466.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.