Home / 82,217,145.34-113,450,506.67-45,538,530.94

Finding the Fourth Proportional to 82,217,145.34, 113,450,506.67 and 45,538,530.94

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Solution

The fourth proportional to 82,217,145.34, 113,450,506.67 and 45,538,530.94 is: 62,838,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,217,145.34 : 113,450,506.67 = 45,538,530.94 : x
  2. Step 2: Convert to fraction form
    82,217,145.34/113,450,506.67 = 45,538,530.94/x
  3. Step 3: Cross multiply
    82,217,145.34x = 113,450,506.67 × 45,538,530.94
  4. Step 4: Simplify right side
    82,217,145.34x = 5,166,369,407,355,527
  5. Step 5: Solve for x
    x = 5,166,369,407,355,527/82,217,145.34
  6. Step 6: Final answer
    x = 62,838,102.52

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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.