Home / 142,117,447.09-213,196,505.91-43,757,476.06

Finding the Fourth Proportional to 142,117,447.09, 213,196,505.91 and 43,757,476.06

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Solution

The fourth proportional to 142,117,447.09, 213,196,505.91 and 43,757,476.06 is: 65,642,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,447.09 : 213,196,505.91 = 43,757,476.06 : x
  2. Step 2: Convert to fraction form
    142,117,447.09/213,196,505.91 = 43,757,476.06/x
  3. Step 3: Cross multiply
    142,117,447.09x = 213,196,505.91 × 43,757,476.06
  4. Step 4: Simplify right side
    142,117,447.09x = 9,328,941,003,432,474
  5. Step 5: Solve for x
    x = 9,328,941,003,432,474/142,117,447.09
  6. Step 6: Final answer
    x = 65,642,475.25

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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.