Home / 56,706,136.20-85,003,217.10-27,928,715.40

Finding the Fourth Proportional to 56,706,136.20, 85,003,217.10 and 27,928,715.40

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Solution

The fourth proportional to 56,706,136.20, 85,003,217.10 and 27,928,715.40 is: 41,865,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706,136.20 : 85,003,217.10 = 27,928,715.40 : x
  2. Step 2: Convert to fraction form
    56,706,136.20/85,003,217.10 = 27,928,715.40/x
  3. Step 3: Cross multiply
    56,706,136.20x = 85,003,217.10 × 27,928,715.40
  4. Step 4: Simplify right side
    56,706,136.20x = 2,374,030,658,470,313
  5. Step 5: Solve for x
    x = 2,374,030,658,470,313/56,706,136.20
  6. Step 6: Final answer
    x = 41,865,498.47

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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.