Home / 77,275,055.40-115,912,583.10-58,001,461.80

Finding the Fourth Proportional to 77,275,055.40, 115,912,583.10 and 58,001,461.80

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Solution

The fourth proportional to 77,275,055.40, 115,912,583.10 and 58,001,461.80 is: 87,002,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,275,055.40 : 115,912,583.10 = 58,001,461.80 : x
  2. Step 2: Convert to fraction form
    77,275,055.40/115,912,583.10 = 58,001,461.80/x
  3. Step 3: Cross multiply
    77,275,055.40x = 115,912,583.10 × 58,001,461.80
  4. Step 4: Simplify right side
    77,275,055.40x = 6,723,099,260,813,975
  5. Step 5: Solve for x
    x = 6,723,099,260,813,975/77,275,055.40
  6. Step 6: Final answer
    x = 87,002,192.70

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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.