Home / 76,403,233.80-114,352,908.30-53,728,417.80

Finding the Fourth Proportional to 76,403,233.80, 114,352,908.30 and 53,728,417.80

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Solution

The fourth proportional to 76,403,233.80, 114,352,908.30 and 53,728,417.80 is: 80,415,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,403,233.80 : 114,352,908.30 = 53,728,417.80 : x
  2. Step 2: Convert to fraction form
    76,403,233.80/114,352,908.30 = 53,728,417.80/x
  3. Step 3: Cross multiply
    76,403,233.80x = 114,352,908.30 × 53,728,417.80
  4. Step 4: Simplify right side
    76,403,233.80x = 6,144,000,833,787,487
  5. Step 5: Solve for x
    x = 6,144,000,833,787,487/76,403,233.80
  6. Step 6: Final answer
    x = 80,415,455.32

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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.