Home / 49,807,999.20-74,711,998.80-17,496,386.40

Finding the Fourth Proportional to 49,807,999.20, 74,711,998.80 and 17,496,386.40

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Solution

The fourth proportional to 49,807,999.20, 74,711,998.80 and 17,496,386.40 is: 26,244,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,807,999.20 : 74,711,998.80 = 17,496,386.40 : x
  2. Step 2: Convert to fraction form
    49,807,999.20/74,711,998.80 = 17,496,386.40/x
  3. Step 3: Cross multiply
    49,807,999.20x = 74,711,998.80 × 17,496,386.40
  4. Step 4: Simplify right side
    49,807,999.20x = 1,307,189,999,721,136.25
  5. Step 5: Solve for x
    x = 1,307,189,999,721,136.25/49,807,999.20
  6. Step 6: Final answer
    x = 26,244,579.60

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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.