Home / 295,127,930.40-442,691,895.60-90,666,175.20

Finding the Fourth Proportional to 295,127,930.40, 442,691,895.60 and 90,666,175.20

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Solution

The fourth proportional to 295,127,930.40, 442,691,895.60 and 90,666,175.20 is: 135,999,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,127,930.40 : 442,691,895.60 = 90,666,175.20 : x
  2. Step 2: Convert to fraction form
    295,127,930.40/442,691,895.60 = 90,666,175.20/x
  3. Step 3: Cross multiply
    295,127,930.40x = 442,691,895.60 × 90,666,175.20
  4. Step 4: Simplify right side
    295,127,930.40x = 40,137,180,966,089,712
  5. Step 5: Solve for x
    x = 40,137,180,966,089,712/295,127,930.40
  6. Step 6: Final answer
    x = 135,999,262.80

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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.