Home / 388,608,091.40-582,912,137.10-101,393,755.40

Finding the Fourth Proportional to 388,608,091.40, 582,912,137.10 and 101,393,755.40

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Solution

The fourth proportional to 388,608,091.40, 582,912,137.10 and 101,393,755.40 is: 152,090,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,608,091.40 : 582,912,137.10 = 101,393,755.40 : x
  2. Step 2: Convert to fraction form
    388,608,091.40/582,912,137.10 = 101,393,755.40/x
  3. Step 3: Cross multiply
    388,608,091.40x = 582,912,137.10 × 101,393,755.40
  4. Step 4: Simplify right side
    388,608,091.40x = 59,103,650,648,808,672
  5. Step 5: Solve for x
    x = 59,103,650,648,808,672/388,608,091.40
  6. Step 6: Final answer
    x = 152,090,633.10

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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.