Home / 76,862,312.20-115,293,468.30-73,545,070.60

Finding the Fourth Proportional to 76,862,312.20, 115,293,468.30 and 73,545,070.60

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Solution

The fourth proportional to 76,862,312.20, 115,293,468.30 and 73,545,070.60 is: 110,317,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,862,312.20 : 115,293,468.30 = 73,545,070.60 : x
  2. Step 2: Convert to fraction form
    76,862,312.20/115,293,468.30 = 73,545,070.60/x
  3. Step 3: Cross multiply
    76,862,312.20x = 115,293,468.30 × 73,545,070.60
  4. Step 4: Simplify right side
    76,862,312.20x = 8,479,266,265,842,361
  5. Step 5: Solve for x
    x = 8,479,266,265,842,361/76,862,312.20
  6. Step 6: Final answer
    x = 110,317,605.90

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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.