Home / 76,691,560.96-105,834,973.44-42,352,744.96

Finding the Fourth Proportional to 76,691,560.96, 105,834,973.44 and 42,352,744.96

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Solution

The fourth proportional to 76,691,560.96, 105,834,973.44 and 42,352,744.96 is: 58,447,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,560.96 : 105,834,973.44 = 42,352,744.96 : x
  2. Step 2: Convert to fraction form
    76,691,560.96/105,834,973.44 = 42,352,744.96/x
  3. Step 3: Cross multiply
    76,691,560.96x = 105,834,973.44 × 42,352,744.96
  4. Step 4: Simplify right side
    76,691,560.96x = 4,482,401,637,952,694
  5. Step 5: Solve for x
    x = 4,482,401,637,952,694/76,691,560.96
  6. Step 6: Final answer
    x = 58,447,130.06

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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.