Home / 74,902,699.20-112,438,029.60-57,938,577.60

Finding the Fourth Proportional to 74,902,699.20, 112,438,029.60 and 57,938,577.60

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Solution

The fourth proportional to 74,902,699.20, 112,438,029.60 and 57,938,577.60 is: 86,972,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,699.20 : 112,438,029.60 = 57,938,577.60 : x
  2. Step 2: Convert to fraction form
    74,902,699.20/112,438,029.60 = 57,938,577.60/x
  3. Step 3: Cross multiply
    74,902,699.20x = 112,438,029.60 × 57,938,577.60
  4. Step 4: Simplify right side
    74,902,699.20x = 6,514,499,503,170,697
  5. Step 5: Solve for x
    x = 6,514,499,503,170,697/74,902,699.20
  6. Step 6: Final answer
    x = 86,972,827.05

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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.