Home / 178,881,919.74-246,855,564.24-100,565,821.53

Finding the Fourth Proportional to 178,881,919.74, 246,855,564.24 and 100,565,821.53

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Solution

The fourth proportional to 178,881,919.74, 246,855,564.24 and 100,565,821.53 is: 138,779,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,881,919.74 : 246,855,564.24 = 100,565,821.53 : x
  2. Step 2: Convert to fraction form
    178,881,919.74/246,855,564.24 = 100,565,821.53/x
  3. Step 3: Cross multiply
    178,881,919.74x = 246,855,564.24 × 100,565,821.53
  4. Step 4: Simplify right side
    178,881,919.74x = 24,825,232,617,047,292
  5. Step 5: Solve for x
    x = 24,825,232,617,047,292/178,881,919.74
  6. Step 6: Final answer
    x = 138,779,998.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.