Home / 82,492,510.12-123,738,927.26-30,688,472.04

Finding the Fourth Proportional to 82,492,510.12, 123,738,927.26 and 30,688,472.04

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Solution

The fourth proportional to 82,492,510.12, 123,738,927.26 and 30,688,472.04 is: 46,032,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,492,510.12 : 123,738,927.26 = 30,688,472.04 : x
  2. Step 2: Convert to fraction form
    82,492,510.12/123,738,927.26 = 30,688,472.04/x
  3. Step 3: Cross multiply
    82,492,510.12x = 123,738,927.26 × 30,688,472.04
  4. Step 4: Simplify right side
    82,492,510.12x = 3,797,358,609,478,104
  5. Step 5: Solve for x
    x = 3,797,358,609,478,104/82,492,510.12
  6. Step 6: Final answer
    x = 46,032,768.36

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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.