Home / 89,145,221.40-133,717,832.10-55,132,997.40

Finding the Fourth Proportional to 89,145,221.40, 133,717,832.10 and 55,132,997.40

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Solution

The fourth proportional to 89,145,221.40, 133,717,832.10 and 55,132,997.40 is: 82,699,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,145,221.40 : 133,717,832.10 = 55,132,997.40 : x
  2. Step 2: Convert to fraction form
    89,145,221.40/133,717,832.10 = 55,132,997.40/x
  3. Step 3: Cross multiply
    89,145,221.40x = 133,717,832.10 × 55,132,997.40
  4. Step 4: Simplify right side
    89,145,221.40x = 7,372,264,889,502,936
  5. Step 5: Solve for x
    x = 7,372,264,889,502,936/89,145,221.40
  6. Step 6: Final answer
    x = 82,699,496.10

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1.5x scale

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.