Home / 43,169,830.60-64,788,325.37-30,131,277.31

Finding the Fourth Proportional to 43,169,830.60, 64,788,325.37 and 30,131,277.31

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Solution

The fourth proportional to 43,169,830.60, 64,788,325.37 and 30,131,277.31 is: 45,220,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169,830.60 : 64,788,325.37 = 30,131,277.31 : x
  2. Step 2: Convert to fraction form
    43,169,830.60/64,788,325.37 = 30,131,277.31/x
  3. Step 3: Cross multiply
    43,169,830.60x = 64,788,325.37 × 30,131,277.31
  4. Step 4: Simplify right side
    43,169,830.60x = 1,952,154,998,173,978.25
  5. Step 5: Solve for x
    x = 1,952,154,998,173,978.25/43,169,830.60
  6. Step 6: Final answer
    x = 45,220,353.45

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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.