Home / 188,033,419.40-282,050,129.10-155,721,806.60

Finding the Fourth Proportional to 188,033,419.40, 282,050,129.10 and 155,721,806.60

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Solution

The fourth proportional to 188,033,419.40, 282,050,129.10 and 155,721,806.60 is: 233,582,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,033,419.40 : 282,050,129.10 = 155,721,806.60 : x
  2. Step 2: Convert to fraction form
    188,033,419.40/282,050,129.10 = 155,721,806.60/x
  3. Step 3: Cross multiply
    188,033,419.40x = 282,050,129.10 × 155,721,806.60
  4. Step 4: Simplify right side
    188,033,419.40x = 43,921,355,655,215,232
  5. Step 5: Solve for x
    x = 43,921,355,655,215,232/188,033,419.40
  6. Step 6: Final answer
    x = 233,582,709.90

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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.