Home / 61,142,478.52-84,344,460.96-36,345,027.28

Finding the Fourth Proportional to 61,142,478.52, 84,344,460.96 and 36,345,027.28

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Solution

The fourth proportional to 61,142,478.52, 84,344,460.96 and 36,345,027.28 is: 50,137,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,142,478.52 : 84,344,460.96 = 36,345,027.28 : x
  2. Step 2: Convert to fraction form
    61,142,478.52/84,344,460.96 = 36,345,027.28/x
  3. Step 3: Cross multiply
    61,142,478.52x = 84,344,460.96 × 36,345,027.28
  4. Step 4: Simplify right side
    61,142,478.52x = 3,065,501,734,508,095
  5. Step 5: Solve for x
    x = 3,065,501,734,508,095/61,142,478.52
  6. Step 6: Final answer
    x = 50,137,021.08

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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.