Home / 76,841,383.43-106,041,950.48-42,034,074.21

Finding the Fourth Proportional to 76,841,383.43, 106,041,950.48 and 42,034,074.21

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Solution

The fourth proportional to 76,841,383.43, 106,041,950.48 and 42,034,074.21 is: 58,007,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841,383.43 : 106,041,950.48 = 42,034,074.21 : x
  2. Step 2: Convert to fraction form
    76,841,383.43/106,041,950.48 = 42,034,074.21/x
  3. Step 3: Cross multiply
    76,841,383.43x = 106,041,950.48 × 42,034,074.21
  4. Step 4: Simplify right side
    76,841,383.43x = 4,457,375,215,319,255.50
  5. Step 5: Solve for x
    x = 4,457,375,215,319,255.50/76,841,383.43
  6. Step 6: Final answer
    x = 58,007,482.64

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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.