Home / 145,384,364.88-200,631,705.18-79,305,156.80

Finding the Fourth Proportional to 145,384,364.88, 200,631,705.18 and 79,305,156.80

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Solution

The fourth proportional to 145,384,364.88, 200,631,705.18 and 79,305,156.80 is: 109,441,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,384,364.88 : 200,631,705.18 = 79,305,156.80 : x
  2. Step 2: Convert to fraction form
    145,384,364.88/200,631,705.18 = 79,305,156.80/x
  3. Step 3: Cross multiply
    145,384,364.88x = 200,631,705.18 × 79,305,156.80
  4. Step 4: Simplify right side
    145,384,364.88x = 15,911,128,837,348,114
  5. Step 5: Solve for x
    x = 15,911,128,837,348,114/145,384,364.88
  6. Step 6: Final answer
    x = 109,441,815.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.