Home / 77,963,934.60-116,945,901.90-53,777,464.20

Finding the Fourth Proportional to 77,963,934.60, 116,945,901.90 and 53,777,464.20

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Solution

The fourth proportional to 77,963,934.60, 116,945,901.90 and 53,777,464.20 is: 80,666,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,963,934.60 : 116,945,901.90 = 53,777,464.20 : x
  2. Step 2: Convert to fraction form
    77,963,934.60/116,945,901.90 = 53,777,464.20/x
  3. Step 3: Cross multiply
    77,963,934.60x = 116,945,901.90 × 53,777,464.20
  4. Step 4: Simplify right side
    77,963,934.60x = 6,289,054,052,763,963
  5. Step 5: Solve for x
    x = 6,289,054,052,763,963/77,963,934.60
  6. Step 6: Final answer
    x = 80,666,196.30

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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.