Home / 102,575,992.25-141,555,097.85-55,533,561.50

Finding the Fourth Proportional to 102,575,992.25, 141,555,097.85 and 55,533,561.50

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Solution

The fourth proportional to 102,575,992.25, 141,555,097.85 and 55,533,561.50 is: 76,636,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,575,992.25 : 141,555,097.85 = 55,533,561.50 : x
  2. Step 2: Convert to fraction form
    102,575,992.25/141,555,097.85 = 55,533,561.50/x
  3. Step 3: Cross multiply
    102,575,992.25x = 141,555,097.85 × 55,533,561.50
  4. Step 4: Simplify right side
    102,575,992.25x = 7,861,058,731,106,049
  5. Step 5: Solve for x
    x = 7,861,058,731,106,049/102,575,992.25
  6. Step 6: Final answer
    x = 76,636,438.60

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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.