Home / 134,740,448.20-202,205,150.70-86,336,014.60

Finding the Fourth Proportional to 134,740,448.20, 202,205,150.70 and 86,336,014.60

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Solution

The fourth proportional to 134,740,448.20, 202,205,150.70 and 86,336,014.60 is: 129,564,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,740,448.20 : 202,205,150.70 = 86,336,014.60 : x
  2. Step 2: Convert to fraction form
    134,740,448.20/202,205,150.70 = 86,336,014.60/x
  3. Step 3: Cross multiply
    134,740,448.20x = 202,205,150.70 × 86,336,014.60
  4. Step 4: Simplify right side
    134,740,448.20x = 17,457,586,843,030,398
  5. Step 5: Solve for x
    x = 17,457,586,843,030,398/134,740,448.20
  6. Step 6: Final answer
    x = 129,564,559.69

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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.