Home / 79,938,789.60-110,269,483.65-48,126,814.26

Finding the Fourth Proportional to 79,938,789.60, 110,269,483.65 and 48,126,814.26

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Solution

The fourth proportional to 79,938,789.60, 110,269,483.65 and 48,126,814.26 is: 66,387,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,938,789.60 : 110,269,483.65 = 48,126,814.26 : x
  2. Step 2: Convert to fraction form
    79,938,789.60/110,269,483.65 = 48,126,814.26/x
  3. Step 3: Cross multiply
    79,938,789.60x = 110,269,483.65 × 48,126,814.26
  4. Step 4: Simplify right side
    79,938,789.60x = 5,306,918,958,169,657
  5. Step 5: Solve for x
    x = 5,306,918,958,169,657/79,938,789.60
  6. Step 6: Final answer
    x = 66,387,281.88

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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.