Home / 96,705,889.08-133,463,532.78-72,217,087.80

Finding the Fourth Proportional to 96,705,889.08, 133,463,532.78 and 72,217,087.80

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Solution

The fourth proportional to 96,705,889.08, 133,463,532.78 and 72,217,087.80 is: 99,666,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,705,889.08 : 133,463,532.78 = 72,217,087.80 : x
  2. Step 2: Convert to fraction form
    96,705,889.08/133,463,532.78 = 72,217,087.80/x
  3. Step 3: Cross multiply
    96,705,889.08x = 133,463,532.78 × 72,217,087.80
  4. Step 4: Simplify right side
    96,705,889.08x = 9,638,347,664,871,438
  5. Step 5: Solve for x
    x = 9,638,347,664,871,438/96,705,889.08
  6. Step 6: Final answer
    x = 99,666,605.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.