Home / 115,074,097.82-172,679,247.62-42,341,954.46

Finding the Fourth Proportional to 115,074,097.82, 172,679,247.62 and 42,341,954.46

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Solution

The fourth proportional to 115,074,097.82, 172,679,247.62 and 42,341,954.46 is: 63,537,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074,097.82 : 172,679,247.62 = 42,341,954.46 : x
  2. Step 2: Convert to fraction form
    115,074,097.82/172,679,247.62 = 42,341,954.46/x
  3. Step 3: Cross multiply
    115,074,097.82x = 172,679,247.62 × 42,341,954.46
  4. Step 4: Simplify right side
    115,074,097.82x = 7,311,576,838,913,104
  5. Step 5: Solve for x
    x = 7,311,576,838,913,104/115,074,097.82
  6. Step 6: Final answer
    x = 63,537,989.67

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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.