Home / 272,093,455.18-408,376,024.53-142,792,416.46

Finding the Fourth Proportional to 272,093,455.18, 408,376,024.53 and 142,792,416.46

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Solution

The fourth proportional to 272,093,455.18, 408,376,024.53 and 142,792,416.46 is: 214,312,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,093,455.18 : 408,376,024.53 = 142,792,416.46 : x
  2. Step 2: Convert to fraction form
    272,093,455.18/408,376,024.53 = 142,792,416.46/x
  3. Step 3: Cross multiply
    272,093,455.18x = 408,376,024.53 × 142,792,416.46
  4. Step 4: Simplify right side
    272,093,455.18x = 58,312,999,366,966,936
  5. Step 5: Solve for x
    x = 58,312,999,366,966,936/272,093,455.18
  6. Step 6: Final answer
    x = 214,312,392.51

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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.