Home / 139,968,108.60-209,952,162.90-117,797,177.40

Finding the Fourth Proportional to 139,968,108.60, 209,952,162.90 and 117,797,177.40

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Solution

The fourth proportional to 139,968,108.60, 209,952,162.90 and 117,797,177.40 is: 176,695,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,108.60 : 209,952,162.90 = 117,797,177.40 : x
  2. Step 2: Convert to fraction form
    139,968,108.60/209,952,162.90 = 117,797,177.40/x
  3. Step 3: Cross multiply
    139,968,108.60x = 209,952,162.90 × 117,797,177.40
  4. Step 4: Simplify right side
    139,968,108.60x = 24,731,772,178,645,000
  5. Step 5: Solve for x
    x = 24,731,772,178,645,000/139,968,108.60
  6. Step 6: Final answer
    x = 176,695,766.10

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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.