Home / 190,035,703.20-284,938,081.20-74,887,528.80

Finding the Fourth Proportional to 190,035,703.20, 284,938,081.20 and 74,887,528.80

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Solution

The fourth proportional to 190,035,703.20, 284,938,081.20 and 74,887,528.80 is: 112,285,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,035,703.20 : 284,938,081.20 = 74,887,528.80 : x
  2. Step 2: Convert to fraction form
    190,035,703.20/284,938,081.20 = 74,887,528.80/x
  3. Step 3: Cross multiply
    190,035,703.20x = 284,938,081.20 × 74,887,528.80
  4. Step 4: Simplify right side
    190,035,703.20x = 21,338,308,762,081,736
  5. Step 5: Solve for x
    x = 21,338,308,762,081,736/190,035,703.20
  6. Step 6: Final answer
    x = 112,285,788.42

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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.