Home / 77,963,614.60-116,945,421.90-53,777,144.20

Finding the Fourth Proportional to 77,963,614.60, 116,945,421.90 and 53,777,144.20

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Solution

The fourth proportional to 77,963,614.60, 116,945,421.90 and 53,777,144.20 is: 80,665,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,963,614.60 : 116,945,421.90 = 53,777,144.20 : x
  2. Step 2: Convert to fraction form
    77,963,614.60/116,945,421.90 = 53,777,144.20/x
  3. Step 3: Cross multiply
    77,963,614.60x = 116,945,421.90 × 53,777,144.20
  4. Step 4: Simplify right side
    77,963,614.60x = 6,288,990,817,046,139
  5. Step 5: Solve for x
    x = 6,288,990,817,046,139/77,963,614.60
  6. Step 6: Final answer
    x = 80,665,716.30

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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.