Home / 77,140,070.10-115,028,563.91-76,447,695.06

Finding the Fourth Proportional to 77,140,070.10, 115,028,563.91 and 76,447,695.06

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Solution

The fourth proportional to 77,140,070.10, 115,028,563.91 and 76,447,695.06 is: 113,996,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,140,070.10 : 115,028,563.91 = 76,447,695.06 : x
  2. Step 2: Convert to fraction form
    77,140,070.10/115,028,563.91 = 76,447,695.06/x
  3. Step 3: Cross multiply
    77,140,070.10x = 115,028,563.91 × 76,447,695.06
  4. Step 4: Simplify right side
    77,140,070.10x = 8,793,668,576,599,163
  5. Step 5: Solve for x
    x = 8,793,668,576,599,163/77,140,070.10
  6. Step 6: Final answer
    x = 113,996,118.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.