Home / 188,033,431.90-282,050,147.85-155,721,819.10

Finding the Fourth Proportional to 188,033,431.90, 282,050,147.85 and 155,721,819.10

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Solution

The fourth proportional to 188,033,431.90, 282,050,147.85 and 155,721,819.10 is: 233,582,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,033,431.90 : 282,050,147.85 = 155,721,819.10 : x
  2. Step 2: Convert to fraction form
    188,033,431.90/282,050,147.85 = 155,721,819.10/x
  3. Step 3: Cross multiply
    188,033,431.90x = 282,050,147.85 × 155,721,819.10
  4. Step 4: Simplify right side
    188,033,431.90x = 43,921,362,100,625,952
  5. Step 5: Solve for x
    x = 43,921,362,100,625,952/188,033,431.90
  6. Step 6: Final answer
    x = 233,582,728.65

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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.