Home / 70,580,350.91-97,408,473.78-42,718,394.21

Finding the Fourth Proportional to 70,580,350.91, 97,408,473.78 and 42,718,394.21

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Solution

The fourth proportional to 70,580,350.91, 97,408,473.78 and 42,718,394.21 is: 58,955,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580,350.91 : 97,408,473.78 = 42,718,394.21 : x
  2. Step 2: Convert to fraction form
    70,580,350.91/97,408,473.78 = 42,718,394.21/x
  3. Step 3: Cross multiply
    70,580,350.91x = 97,408,473.78 × 42,718,394.21
  4. Step 4: Simplify right side
    70,580,350.91x = 4,161,133,581,841,446.50
  5. Step 5: Solve for x
    x = 4,161,133,581,841,446.50/70,580,350.91
  6. Step 6: Final answer
    x = 58,955,977.53

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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.