Home / 57,974,809.80-86,962,214.70-55,140,457.80

Finding the Fourth Proportional to 57,974,809.80, 86,962,214.70 and 55,140,457.80

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Solution

The fourth proportional to 57,974,809.80, 86,962,214.70 and 55,140,457.80 is: 82,710,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974,809.80 : 86,962,214.70 = 55,140,457.80 : x
  2. Step 2: Convert to fraction form
    57,974,809.80/86,962,214.70 = 55,140,457.80/x
  3. Step 3: Cross multiply
    57,974,809.80x = 86,962,214.70 × 55,140,457.80
  4. Step 4: Simplify right side
    57,974,809.80x = 4,795,136,329,859,890
  5. Step 5: Solve for x
    x = 4,795,136,329,859,890/57,974,809.80
  6. Step 6: Final answer
    x = 82,710,686.70

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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.