Home / 124,893,431.60-187,357,993.32-38,639,201.36

Finding the Fourth Proportional to 124,893,431.60, 187,357,993.32 and 38,639,201.36

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Solution

The fourth proportional to 124,893,431.60, 187,357,993.32 and 38,639,201.36 is: 57,964,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893,431.60 : 187,357,993.32 = 38,639,201.36 : x
  2. Step 2: Convert to fraction form
    124,893,431.60/187,357,993.32 = 38,639,201.36/x
  3. Step 3: Cross multiply
    124,893,431.60x = 187,357,993.32 × 38,639,201.36
  4. Step 4: Simplify right side
    124,893,431.60x = 7,239,363,230,297,015
  5. Step 5: Solve for x
    x = 7,239,363,230,297,015/124,893,431.60
  6. Step 6: Final answer
    x = 57,964,323.16

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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.