Home / 348,280,836.84-522,496,837.95-105,937,442.28

Finding the Fourth Proportional to 348,280,836.84, 522,496,837.95 and 105,937,442.28

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Solution

The fourth proportional to 348,280,836.84, 522,496,837.95 and 105,937,442.28 is: 158,929,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,280,836.84 : 522,496,837.95 = 105,937,442.28 : x
  2. Step 2: Convert to fraction form
    348,280,836.84/522,496,837.95 = 105,937,442.28/x
  3. Step 3: Cross multiply
    348,280,836.84x = 522,496,837.95 × 105,937,442.28
  4. Step 4: Simplify right side
    348,280,836.84x = 55,351,978,611,810,640
  5. Step 5: Solve for x
    x = 55,351,978,611,810,640/348,280,836.84
  6. Step 6: Final answer
    x = 158,929,153.59

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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.