Home / 388,656,411.20-582,990,837.60-101,442,075.20

Finding the Fourth Proportional to 388,656,411.20, 582,990,837.60 and 101,442,075.20

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Solution

The fourth proportional to 388,656,411.20, 582,990,837.60 and 101,442,075.20 is: 152,164,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,656,411.20 : 582,990,837.60 = 101,442,075.20 : x
  2. Step 2: Convert to fraction form
    388,656,411.20/582,990,837.60 = 101,442,075.20/x
  3. Step 3: Cross multiply
    388,656,411.20x = 582,990,837.60 × 101,442,075.20
  4. Step 4: Simplify right side
    388,656,411.20x = 59,139,800,388,730,192
  5. Step 5: Solve for x
    x = 59,139,800,388,730,192/388,656,411.20
  6. Step 6: Final answer
    x = 152,164,736.47

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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.