Home / 85,134,572.31-117,485,705.91-45,976,345.59

Finding the Fourth Proportional to 85,134,572.31, 117,485,705.91 and 45,976,345.59

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Solution

The fourth proportional to 85,134,572.31, 117,485,705.91 and 45,976,345.59 is: 63,447,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,134,572.31 : 117,485,705.91 = 45,976,345.59 : x
  2. Step 2: Convert to fraction form
    85,134,572.31/117,485,705.91 = 45,976,345.59/x
  3. Step 3: Cross multiply
    85,134,572.31x = 117,485,705.91 × 45,976,345.59
  4. Step 4: Simplify right side
    85,134,572.31x = 5,401,563,417,416,248
  5. Step 5: Solve for x
    x = 5,401,563,417,416,248/85,134,572.31
  6. Step 6: Final answer
    x = 63,447,354.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.