Home / 45,607,205.80-68,315,423.10-21,366,821.80

Finding the Fourth Proportional to 45,607,205.80, 68,315,423.10 and 21,366,821.80

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Solution

The fourth proportional to 45,607,205.80, 68,315,423.10 and 21,366,821.80 is: 32,005,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,607,205.80 : 68,315,423.10 = 21,366,821.80 : x
  2. Step 2: Convert to fraction form
    45,607,205.80/68,315,423.10 = 21,366,821.80/x
  3. Step 3: Cross multiply
    45,607,205.80x = 68,315,423.10 × 21,366,821.80
  4. Step 4: Simplify right side
    45,607,205.80x = 1,459,683,471,569,303.50
  5. Step 5: Solve for x
    x = 1,459,683,471,569,303.50/45,607,205.80
  6. Step 6: Final answer
    x = 32,005,544.87

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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.