Home / 190,035,667.20-284,938,027.20-74,887,492.80

Finding the Fourth Proportional to 190,035,667.20, 284,938,027.20 and 74,887,492.80

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Solution

The fourth proportional to 190,035,667.20, 284,938,027.20 and 74,887,492.80 is: 112,285,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,035,667.20 : 284,938,027.20 = 74,887,492.80 : x
  2. Step 2: Convert to fraction form
    190,035,667.20/284,938,027.20 = 74,887,492.80/x
  3. Step 3: Cross multiply
    190,035,667.20x = 284,938,027.20 × 74,887,492.80
  4. Step 4: Simplify right side
    190,035,667.20x = 21,338,294,460,386,204
  5. Step 5: Solve for x
    x = 21,338,294,460,386,204/190,035,667.20
  6. Step 6: Final answer
    x = 112,285,734.43

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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.