Home / 85,545,136.71-128,266,460.85-27,227,624.40

Finding the Fourth Proportional to 85,545,136.71, 128,266,460.85 and 27,227,624.40

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Solution

The fourth proportional to 85,545,136.71, 128,266,460.85 and 27,227,624.40 is: 40,825,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,545,136.71 : 128,266,460.85 = 27,227,624.40 : x
  2. Step 2: Convert to fraction form
    85,545,136.71/128,266,460.85 = 27,227,624.40/x
  3. Step 3: Cross multiply
    85,545,136.71x = 128,266,460.85 × 27,227,624.40
  4. Step 4: Simplify right side
    85,545,136.71x = 3,492,391,019,141,104.50
  5. Step 5: Solve for x
    x = 3,492,391,019,141,104.50/85,545,136.71
  6. Step 6: Final answer
    x = 40,825,126.40

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1.5x scale

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.