Home / 70,249,110.82-105,296,797.23-36,172,501.54

Finding the Fourth Proportional to 70,249,110.82, 105,296,797.23 and 36,172,501.54

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Solution

The fourth proportional to 70,249,110.82, 105,296,797.23 and 36,172,501.54 is: 54,219,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,249,110.82 : 105,296,797.23 = 36,172,501.54 : x
  2. Step 2: Convert to fraction form
    70,249,110.82/105,296,797.23 = 36,172,501.54/x
  3. Step 3: Cross multiply
    70,249,110.82x = 105,296,797.23 × 36,172,501.54
  4. Step 4: Simplify right side
    70,249,110.82x = 3,808,848,559,959,243
  5. Step 5: Solve for x
    x = 3,808,848,559,959,243/70,249,110.82
  6. Step 6: Final answer
    x = 54,219,171.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.