Home / 71,158,554.74-106,738,767.03-19,345,714.58

Finding the Fourth Proportional to 71,158,554.74, 106,738,767.03 and 19,345,714.58

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Solution

The fourth proportional to 71,158,554.74, 106,738,767.03 and 19,345,714.58 is: 29,018,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,158,554.74 : 106,738,767.03 = 19,345,714.58 : x
  2. Step 2: Convert to fraction form
    71,158,554.74/106,738,767.03 = 19,345,714.58/x
  3. Step 3: Cross multiply
    71,158,554.74x = 106,738,767.03 × 19,345,714.58
  4. Step 4: Simplify right side
    71,158,554.74x = 2,064,937,721,583,494.25
  5. Step 5: Solve for x
    x = 2,064,937,721,583,494.25/71,158,554.74
  6. Step 6: Final answer
    x = 29,018,826.04

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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.