Home / 191,375,999.40-287,063,999.10-168,701,183.40

Finding the Fourth Proportional to 191,375,999.40, 287,063,999.10 and 168,701,183.40

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Solution

The fourth proportional to 191,375,999.40, 287,063,999.10 and 168,701,183.40 is: 253,051,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,375,999.40 : 287,063,999.10 = 168,701,183.40 : x
  2. Step 2: Convert to fraction form
    191,375,999.40/287,063,999.10 = 168,701,183.40/x
  3. Step 3: Cross multiply
    191,375,999.40x = 287,063,999.10 × 168,701,183.40
  4. Step 4: Simplify right side
    191,375,999.40x = 48,428,036,359,706,544
  5. Step 5: Solve for x
    x = 48,428,036,359,706,544/191,375,999.40
  6. Step 6: Final answer
    x = 253,051,775.10

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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.