Home / 45,929,065.50-68,882,714.91-13,138,623.36

Finding the Fourth Proportional to 45,929,065.50, 68,882,714.91 and 13,138,623.36

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Solution

The fourth proportional to 45,929,065.50, 68,882,714.91 and 13,138,623.36 is: 19,704,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,929,065.50 : 68,882,714.91 = 13,138,623.36 : x
  2. Step 2: Convert to fraction form
    45,929,065.50/68,882,714.91 = 13,138,623.36/x
  3. Step 3: Cross multiply
    45,929,065.50x = 68,882,714.91 × 13,138,623.36
  4. Step 4: Simplify right side
    45,929,065.50x = 905,024,047,216,746.25
  5. Step 5: Solve for x
    x = 905,024,047,216,746.25/45,929,065.50
  6. Step 6: Final answer
    x = 19,704,821.72

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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.