Home / 61,631,872.64-85,051,907.52-34,129,767.68

Finding the Fourth Proportional to 61,631,872.64, 85,051,907.52 and 34,129,767.68

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Solution

The fourth proportional to 61,631,872.64, 85,051,907.52 and 34,129,767.68 is: 47,099,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631,872.64 : 85,051,907.52 = 34,129,767.68 : x
  2. Step 2: Convert to fraction form
    61,631,872.64/85,051,907.52 = 34,129,767.68/x
  3. Step 3: Cross multiply
    61,631,872.64x = 85,051,907.52 × 34,129,767.68
  4. Step 4: Simplify right side
    61,631,872.64x = 2,902,801,844,398,445
  5. Step 5: Solve for x
    x = 2,902,801,844,398,445/61,631,872.64
  6. Step 6: Final answer
    x = 47,099,036.91

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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.