Home / 145,936,993,584.96-201,401,349,874.74-81,707,155,965.90

Finding the Fourth Proportional to 145,936,993,584.96, 201,401,349,874.74 and 81,707,155,965.90

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Solution

The fourth proportional to 145,936,993,584.96, 201,401,349,874.74 and 81,707,155,965.90 is: 112,760,521,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,936,993,584.96 : 201,401,349,874.74 = 81,707,155,965.90 : x
  2. Step 2: Convert to fraction form
    145,936,993,584.96/201,401,349,874.74 = 81,707,155,965.90/x
  3. Step 3: Cross multiply
    145,936,993,584.96x = 201,401,349,874.74 × 81,707,155,965.90
  4. Step 4: Simplify right side
    145,936,993,584.96x = 16,455,931,505,958,174,326,784
  5. Step 5: Solve for x
    x = 16,455,931,505,958,174,326,784/145,936,993,584.96
  6. Step 6: Final answer
    x = 112,760,521,521.76

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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.