Home / 209,952,012.60-314,928,018.90-118,119,007.80

Finding the Fourth Proportional to 209,952,012.60, 314,928,018.90 and 118,119,007.80

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Solution

The fourth proportional to 209,952,012.60, 314,928,018.90 and 118,119,007.80 is: 177,178,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,012.60 : 314,928,018.90 = 118,119,007.80 : x
  2. Step 2: Convert to fraction form
    209,952,012.60/314,928,018.90 = 118,119,007.80/x
  3. Step 3: Cross multiply
    209,952,012.60x = 314,928,018.90 × 118,119,007.80
  4. Step 4: Simplify right side
    209,952,012.60x = 37,198,985,120,887,640
  5. Step 5: Solve for x
    x = 37,198,985,120,887,640/209,952,012.60
  6. Step 6: Final answer
    x = 177,178,511.70

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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.