Home / 131,930,603.46-182,072,858.35-76,178,373.71

Finding the Fourth Proportional to 131,930,603.46, 182,072,858.35 and 76,178,373.71

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Solution

The fourth proportional to 131,930,603.46, 182,072,858.35 and 76,178,373.71 is: 105,131,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,930,603.46 : 182,072,858.35 = 76,178,373.71 : x
  2. Step 2: Convert to fraction form
    131,930,603.46/182,072,858.35 = 76,178,373.71/x
  3. Step 3: Cross multiply
    131,930,603.46x = 182,072,858.35 × 76,178,373.71
  4. Step 4: Simplify right side
    131,930,603.46x = 13,870,014,246,477,830
  5. Step 5: Solve for x
    x = 13,870,014,246,477,830/131,930,603.46
  6. Step 6: Final answer
    x = 105,131,136.24

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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.