Home / 45,710,821.68-68,576,393.88-21,436,811.16

Finding the Fourth Proportional to 45,710,821.68, 68,576,393.88 and 21,436,811.16

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Solution

The fourth proportional to 45,710,821.68, 68,576,393.88 and 21,436,811.16 is: 32,159,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,710,821.68 : 68,576,393.88 = 21,436,811.16 : x
  2. Step 2: Convert to fraction form
    45,710,821.68/68,576,393.88 = 21,436,811.16/x
  3. Step 3: Cross multiply
    45,710,821.68x = 68,576,393.88 × 21,436,811.16
  4. Step 4: Simplify right side
    45,710,821.68x = 1,470,059,205,639,339.50
  5. Step 5: Solve for x
    x = 1,470,059,205,639,339.50/45,710,821.68
  6. Step 6: Final answer
    x = 32,159,982.07

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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.