Home / 77,310,622.20-115,713,592.32-56,834,917.32

Finding the Fourth Proportional to 77,310,622.20, 115,713,592.32 and 56,834,917.32

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Solution

The fourth proportional to 77,310,622.20, 115,713,592.32 and 56,834,917.32 is: 85,066,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,310,622.20 : 115,713,592.32 = 56,834,917.32 : x
  2. Step 2: Convert to fraction form
    77,310,622.20/115,713,592.32 = 56,834,917.32/x
  3. Step 3: Cross multiply
    77,310,622.20x = 115,713,592.32 × 56,834,917.32
  4. Step 4: Simplify right side
    77,310,622.20x = 6,576,572,452,307,387
  5. Step 5: Solve for x
    x = 6,576,572,452,307,387/77,310,622.20
  6. Step 6: Final answer
    x = 85,066,867.46

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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.