Home / 77,962,402.60-116,943,603.90-53,775,932.20

Finding the Fourth Proportional to 77,962,402.60, 116,943,603.90 and 53,775,932.20

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Solution

The fourth proportional to 77,962,402.60, 116,943,603.90 and 53,775,932.20 is: 80,663,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962,402.60 : 116,943,603.90 = 53,775,932.20 : x
  2. Step 2: Convert to fraction form
    77,962,402.60/116,943,603.90 = 53,775,932.20/x
  3. Step 3: Cross multiply
    77,962,402.60x = 116,943,603.90 × 53,775,932.20
  4. Step 4: Simplify right side
    77,962,402.60x = 6,288,751,314,550,056
  5. Step 5: Solve for x
    x = 6,288,751,314,550,056/77,962,402.60
  6. Step 6: Final answer
    x = 80,663,898.30

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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.