Home / 89,314,812.40-133,972,218.60-88,558,985.20

Finding the Fourth Proportional to 89,314,812.40, 133,972,218.60 and 88,558,985.20

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Solution

The fourth proportional to 89,314,812.40, 133,972,218.60 and 88,558,985.20 is: 132,838,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,314,812.40 : 133,972,218.60 = 88,558,985.20 : x
  2. Step 2: Convert to fraction form
    89,314,812.40/133,972,218.60 = 88,558,985.20/x
  3. Step 3: Cross multiply
    89,314,812.40x = 133,972,218.60 × 88,558,985.20
  4. Step 4: Simplify right side
    89,314,812.40x = 11,864,443,724,208,564
  5. Step 5: Solve for x
    x = 11,864,443,724,208,564/89,314,812.40
  6. Step 6: Final answer
    x = 132,838,477.80

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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.