Home / 209,663,999.10-314,495,998.65-148,441,995.90

Finding the Fourth Proportional to 209,663,999.10, 314,495,998.65 and 148,441,995.90

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Solution

The fourth proportional to 209,663,999.10, 314,495,998.65 and 148,441,995.90 is: 222,662,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,663,999.10 : 314,495,998.65 = 148,441,995.90 : x
  2. Step 2: Convert to fraction form
    209,663,999.10/314,495,998.65 = 148,441,995.90/x
  3. Step 3: Cross multiply
    209,663,999.10x = 314,495,998.65 × 148,441,995.90
  4. Step 4: Simplify right side
    209,663,999.10x = 46,684,413,742,169,704
  5. Step 5: Solve for x
    x = 46,684,413,742,169,704/209,663,999.10
  6. Step 6: Final answer
    x = 222,662,993.85

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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.