Home / 69,984,007.10-104,976,010.65-55,371,347.90

Finding the Fourth Proportional to 69,984,007.10, 104,976,010.65 and 55,371,347.90

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Solution

The fourth proportional to 69,984,007.10, 104,976,010.65 and 55,371,347.90 is: 83,057,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,007.10 : 104,976,010.65 = 55,371,347.90 : x
  2. Step 2: Convert to fraction form
    69,984,007.10/104,976,010.65 = 55,371,347.90/x
  3. Step 3: Cross multiply
    69,984,007.10x = 104,976,010.65 × 55,371,347.90
  4. Step 4: Simplify right side
    69,984,007.10x = 5,812,663,206,855,255
  5. Step 5: Solve for x
    x = 5,812,663,206,855,255/69,984,007.10
  6. Step 6: Final answer
    x = 83,057,021.85

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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.