Home / 77,962,406.60-116,943,609.90-53,775,936.20

Finding the Fourth Proportional to 77,962,406.60, 116,943,609.90 and 53,775,936.20

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Solution

The fourth proportional to 77,962,406.60, 116,943,609.90 and 53,775,936.20 is: 80,663,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962,406.60 : 116,943,609.90 = 53,775,936.20 : x
  2. Step 2: Convert to fraction form
    77,962,406.60/116,943,609.90 = 53,775,936.20/x
  3. Step 3: Cross multiply
    77,962,406.60x = 116,943,609.90 × 53,775,936.20
  4. Step 4: Simplify right side
    77,962,406.60x = 6,288,752,104,980,089
  5. Step 5: Solve for x
    x = 6,288,752,104,980,089/77,962,406.60
  6. Step 6: Final answer
    x = 80,663,904.30

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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.