Home / 57,974,812.80-86,962,219.20-55,140,460.80

Finding the Fourth Proportional to 57,974,812.80, 86,962,219.20 and 55,140,460.80

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Solution

The fourth proportional to 57,974,812.80, 86,962,219.20 and 55,140,460.80 is: 82,710,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974,812.80 : 86,962,219.20 = 55,140,460.80 : x
  2. Step 2: Convert to fraction form
    57,974,812.80/86,962,219.20 = 55,140,460.80/x
  3. Step 3: Cross multiply
    57,974,812.80x = 86,962,219.20 × 55,140,460.80
  4. Step 4: Simplify right side
    57,974,812.80x = 4,795,136,838,878,607
  5. Step 5: Solve for x
    x = 4,795,136,838,878,607/57,974,812.80
  6. Step 6: Final answer
    x = 82,710,691.20

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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.