Home / 89,169,266.40-133,627,928.40-65,959,072.80

Finding the Fourth Proportional to 89,169,266.40, 133,627,928.40 and 65,959,072.80

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Solution

The fourth proportional to 89,169,266.40, 133,627,928.40 and 65,959,072.80 is: 98,845,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,169,266.40 : 133,627,928.40 = 65,959,072.80 : x
  2. Step 2: Convert to fraction form
    89,169,266.40/133,627,928.40 = 65,959,072.80/x
  3. Step 3: Cross multiply
    89,169,266.40x = 133,627,928.40 × 65,959,072.80
  4. Step 4: Simplify right side
    89,169,266.40x = 8,813,974,257,448,788
  5. Step 5: Solve for x
    x = 8,813,974,257,448,788/89,169,266.40
  6. Step 6: Final answer
    x = 98,845,427.50

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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.