Home / 69,869,293.66-104,312,648.08-53,388,320.86

Finding the Fourth Proportional to 69,869,293.66, 104,312,648.08 and 53,388,320.86

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Solution

The fourth proportional to 69,869,293.66, 104,312,648.08 and 53,388,320.86 is: 79,707,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869,293.66 : 104,312,648.08 = 53,388,320.86 : x
  2. Step 2: Convert to fraction form
    69,869,293.66/104,312,648.08 = 53,388,320.86/x
  3. Step 3: Cross multiply
    69,869,293.66x = 104,312,648.08 × 53,388,320.86
  4. Step 4: Simplify right side
    69,869,293.66x = 5,569,077,125,451,303
  5. Step 5: Solve for x
    x = 5,569,077,125,451,303/69,869,293.66
  6. Step 6: Final answer
    x = 79,707,076.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.