Home / 77,004,002.40-115,506,003.60-61,887,458.40

Finding the Fourth Proportional to 77,004,002.40, 115,506,003.60 and 61,887,458.40

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Solution

The fourth proportional to 77,004,002.40, 115,506,003.60 and 61,887,458.40 is: 92,831,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,004,002.40 : 115,506,003.60 = 61,887,458.40 : x
  2. Step 2: Convert to fraction form
    77,004,002.40/115,506,003.60 = 61,887,458.40/x
  3. Step 3: Cross multiply
    77,004,002.40x = 115,506,003.60 × 61,887,458.40
  4. Step 4: Simplify right side
    77,004,002.40x = 7,148,372,992,745,250
  5. Step 5: Solve for x
    x = 7,148,372,992,745,250/77,004,002.40
  6. Step 6: Final answer
    x = 92,831,187.60

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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.