Home / 199,299,688.40-298,949,532.60-194,820,712.40

Finding the Fourth Proportional to 199,299,688.40, 298,949,532.60 and 194,820,712.40

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Solution

The fourth proportional to 199,299,688.40, 298,949,532.60 and 194,820,712.40 is: 292,231,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,299,688.40 : 298,949,532.60 = 194,820,712.40 : x
  2. Step 2: Convert to fraction form
    199,299,688.40/298,949,532.60 = 194,820,712.40/x
  3. Step 3: Cross multiply
    199,299,688.40x = 298,949,532.60 × 194,820,712.40
  4. Step 4: Simplify right side
    199,299,688.40x = 58,241,560,912,779,032
  5. Step 5: Solve for x
    x = 58,241,560,912,779,032/199,299,688.40
  6. Step 6: Final answer
    x = 292,231,068.60

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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.