Home / 75,460,905.60-112,930,084.80-45,190,492.80

Finding the Fourth Proportional to 75,460,905.60, 112,930,084.80 and 45,190,492.80

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Solution

The fourth proportional to 75,460,905.60, 112,930,084.80 and 45,190,492.80 is: 67,629,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460,905.60 : 112,930,084.80 = 45,190,492.80 : x
  2. Step 2: Convert to fraction form
    75,460,905.60/112,930,084.80 = 45,190,492.80/x
  3. Step 3: Cross multiply
    75,460,905.60x = 112,930,084.80 × 45,190,492.80
  4. Step 4: Simplify right side
    75,460,905.60x = 5,103,366,184,057,789
  5. Step 5: Solve for x
    x = 5,103,366,184,057,789/75,460,905.60
  6. Step 6: Final answer
    x = 67,629,272.98

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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.