Home / 200,809,990.40-301,414,051.20-98,689,337.60

Finding the Fourth Proportional to 200,809,990.40, 301,414,051.20 and 98,689,337.60

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Solution

The fourth proportional to 200,809,990.40, 301,414,051.20 and 98,689,337.60 is: 148,131,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,809,990.40 : 301,414,051.20 = 98,689,337.60 : x
  2. Step 2: Convert to fraction form
    200,809,990.40/301,414,051.20 = 98,689,337.60/x
  3. Step 3: Cross multiply
    200,809,990.40x = 301,414,051.20 × 98,689,337.60
  4. Step 4: Simplify right side
    200,809,990.40x = 29,746,353,056,260,484
  5. Step 5: Solve for x
    x = 29,746,353,056,260,484/200,809,990.40
  6. Step 6: Final answer
    x = 148,131,838.45

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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.