Home / 173,868,331.40-260,802,497.10-155,728,478.60

Finding the Fourth Proportional to 173,868,331.40, 260,802,497.10 and 155,728,478.60

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Solution

The fourth proportional to 173,868,331.40, 260,802,497.10 and 155,728,478.60 is: 233,592,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,331.40 : 260,802,497.10 = 155,728,478.60 : x
  2. Step 2: Convert to fraction form
    173,868,331.40/260,802,497.10 = 155,728,478.60/x
  3. Step 3: Cross multiply
    173,868,331.40x = 260,802,497.10 × 155,728,478.60
  4. Step 4: Simplify right side
    173,868,331.40x = 40,614,376,088,463,912
  5. Step 5: Solve for x
    x = 40,614,376,088,463,912/173,868,331.40
  6. Step 6: Final answer
    x = 233,592,717.90

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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.