Home / 85,812,797.55-128,719,196.33-61,500,355.95

Finding the Fourth Proportional to 85,812,797.55, 128,719,196.33 and 61,500,355.95

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Solution

The fourth proportional to 85,812,797.55, 128,719,196.33 and 61,500,355.95 is: 92,250,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,812,797.55 : 128,719,196.33 = 61,500,355.95 : x
  2. Step 2: Convert to fraction form
    85,812,797.55/128,719,196.33 = 61,500,355.95/x
  3. Step 3: Cross multiply
    85,812,797.55x = 128,719,196.33 × 61,500,355.95
  4. Step 4: Simplify right side
    85,812,797.55x = 7,916,276,391,585,432
  5. Step 5: Solve for x
    x = 7,916,276,391,585,432/85,812,797.55
  6. Step 6: Final answer
    x = 92,250,533.93

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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.