Home / 69,773,431.74-104,663,033.28-20,589,285.51

Finding the Fourth Proportional to 69,773,431.74, 104,663,033.28 and 20,589,285.51

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Solution

The fourth proportional to 69,773,431.74, 104,663,033.28 and 20,589,285.51 is: 30,884,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773,431.74 : 104,663,033.28 = 20,589,285.51 : x
  2. Step 2: Convert to fraction form
    69,773,431.74/104,663,033.28 = 20,589,285.51/x
  3. Step 3: Cross multiply
    69,773,431.74x = 104,663,033.28 × 20,589,285.51
  4. Step 4: Simplify right side
    69,773,431.74x = 2,154,937,074,544,552
  5. Step 5: Solve for x
    x = 2,154,937,074,544,552/69,773,431.74
  6. Step 6: Final answer
    x = 30,884,779.79

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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.