Home / 139,968,257.60-209,952,386.40-111,057,867.20

Finding the Fourth Proportional to 139,968,257.60, 209,952,386.40 and 111,057,867.20

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Solution

The fourth proportional to 139,968,257.60, 209,952,386.40 and 111,057,867.20 is: 166,586,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,257.60 : 209,952,386.40 = 111,057,867.20 : x
  2. Step 2: Convert to fraction form
    139,968,257.60/209,952,386.40 = 111,057,867.20/x
  3. Step 3: Cross multiply
    139,968,257.60x = 209,952,386.40 × 111,057,867.20
  4. Step 4: Simplify right side
    139,968,257.60x = 23,316,864,247,134,288
  5. Step 5: Solve for x
    x = 23,316,864,247,134,288/139,968,257.60
  6. Step 6: Final answer
    x = 166,586,800.80

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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.