Home / 115,074,093.81-172,679,241.62-42,341,950.47

Finding the Fourth Proportional to 115,074,093.81, 172,679,241.62 and 42,341,950.47

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Solution

The fourth proportional to 115,074,093.81, 172,679,241.62 and 42,341,950.47 is: 63,537,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074,093.81 : 172,679,241.62 = 42,341,950.47 : x
  2. Step 2: Convert to fraction form
    115,074,093.81/172,679,241.62 = 42,341,950.47/x
  3. Step 3: Cross multiply
    115,074,093.81x = 172,679,241.62 × 42,341,950.47
  4. Step 4: Simplify right side
    115,074,093.81x = 7,311,575,895,871,203
  5. Step 5: Solve for x
    x = 7,311,575,895,871,203/115,074,093.81
  6. Step 6: Final answer
    x = 63,537,983.69

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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.