Home / 288,273,839.88-432,484,497.21-83,801,915.13

Finding the Fourth Proportional to 288,273,839.88, 432,484,497.21 and 83,801,915.13

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Solution

The fourth proportional to 288,273,839.88, 432,484,497.21 and 83,801,915.13 is: 125,724,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,273,839.88 : 432,484,497.21 = 83,801,915.13 : x
  2. Step 2: Convert to fraction form
    288,273,839.88/432,484,497.21 = 83,801,915.13/x
  3. Step 3: Cross multiply
    288,273,839.88x = 432,484,497.21 × 83,801,915.13
  4. Step 4: Simplify right side
    288,273,839.88x = 36,243,029,130,233,136
  5. Step 5: Solve for x
    x = 36,243,029,130,233,136/288,273,839.88
  6. Step 6: Final answer
    x = 125,724,308.34

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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.