Home / 77,003,271.36-115,515,146.40-36,057,120

Finding the Fourth Proportional to 77,003,271.36, 115,515,146.40 and 36,057,120

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Solution

The fourth proportional to 77,003,271.36, 115,515,146.40 and 36,057,120 is: 54,090,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,003,271.36 : 115,515,146.40 = 36,057,120 : x
  2. Step 2: Convert to fraction form
    77,003,271.36/115,515,146.40 = 36,057,120/x
  3. Step 3: Cross multiply
    77,003,271.36x = 115,515,146.40 × 36,057,120
  4. Step 4: Simplify right side
    77,003,271.36x = 4,165,143,495,562,368
  5. Step 5: Solve for x
    x = 4,165,143,495,562,368/77,003,271.36
  6. Step 6: Final answer
    x = 54,090,474.63

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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.