Home / 187,056,618.60-280,584,927.90-85,019,946.60

Finding the Fourth Proportional to 187,056,618.60, 280,584,927.90 and 85,019,946.60

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Solution

The fourth proportional to 187,056,618.60, 280,584,927.90 and 85,019,946.60 is: 127,529,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,056,618.60 : 280,584,927.90 = 85,019,946.60 : x
  2. Step 2: Convert to fraction form
    187,056,618.60/280,584,927.90 = 85,019,946.60/x
  3. Step 3: Cross multiply
    187,056,618.60x = 280,584,927.90 × 85,019,946.60
  4. Step 4: Simplify right side
    187,056,618.60x = 23,855,315,586,822,848
  5. Step 5: Solve for x
    x = 23,855,315,586,822,848/187,056,618.60
  6. Step 6: Final answer
    x = 127,529,919.90

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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.