Home / 115,053,915.84-172,581,518.93-38,376,733.56

Finding the Fourth Proportional to 115,053,915.84, 172,581,518.93 and 38,376,733.56

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Solution

The fourth proportional to 115,053,915.84, 172,581,518.93 and 38,376,733.56 is: 57,565,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,053,915.84 : 172,581,518.93 = 38,376,733.56 : x
  2. Step 2: Convert to fraction form
    115,053,915.84/172,581,518.93 = 38,376,733.56/x
  3. Step 3: Cross multiply
    115,053,915.84x = 172,581,518.93 × 38,376,733.56
  4. Step 4: Simplify right side
    115,053,915.84x = 6,623,114,969,164,823
  5. Step 5: Solve for x
    x = 6,623,114,969,164,823/115,053,915.84
  6. Step 6: Final answer
    x = 57,565,315.54

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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.