Home / 56,802,769.20-85,148,166.60-28,025,348.40

Finding the Fourth Proportional to 56,802,769.20, 85,148,166.60 and 28,025,348.40

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Solution

The fourth proportional to 56,802,769.20, 85,148,166.60 and 28,025,348.40 is: 42,010,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,802,769.20 : 85,148,166.60 = 28,025,348.40 : x
  2. Step 2: Convert to fraction form
    56,802,769.20/85,148,166.60 = 28,025,348.40/x
  3. Step 3: Cross multiply
    56,802,769.20x = 85,148,166.60 × 28,025,348.40
  4. Step 4: Simplify right side
    56,802,769.20x = 2,386,307,034,586,243
  5. Step 5: Solve for x
    x = 2,386,307,034,586,243/56,802,769.20
  6. Step 6: Final answer
    x = 42,010,399.64

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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.