Home / 388,375,094.79-582,792,482.66-142,904,110.95

Finding the Fourth Proportional to 388,375,094.79, 582,792,482.66 and 142,904,110.95

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Solution

The fourth proportional to 388,375,094.79, 582,792,482.66 and 142,904,110.95 is: 214,440,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,375,094.79 : 582,792,482.66 = 142,904,110.95 : x
  2. Step 2: Convert to fraction form
    388,375,094.79/582,792,482.66 = 142,904,110.95/x
  3. Step 3: Cross multiply
    388,375,094.79x = 582,792,482.66 × 142,904,110.95
  4. Step 4: Simplify right side
    388,375,094.79x = 83,283,441,602,156,064
  5. Step 5: Solve for x
    x = 83,283,441,602,156,064/388,375,094.79
  6. Step 6: Final answer
    x = 214,440,737.11

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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.