Home / 144,924,635.58-199,996,866.87-78,845,607.87

Finding the Fourth Proportional to 144,924,635.58, 199,996,866.87 and 78,845,607.87

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Solution

The fourth proportional to 144,924,635.58, 199,996,866.87 and 78,845,607.87 is: 108,807,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924,635.58 : 199,996,866.87 = 78,845,607.87 : x
  2. Step 2: Convert to fraction form
    144,924,635.58/199,996,866.87 = 78,845,607.87/x
  3. Step 3: Cross multiply
    144,924,635.58x = 199,996,866.87 × 78,845,607.87
  4. Step 4: Simplify right side
    144,924,635.58x = 15,768,874,540,460,616
  5. Step 5: Solve for x
    x = 15,768,874,540,460,616/144,924,635.58
  6. Step 6: Final answer
    x = 108,807,412.05

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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.