Home / 142,117,447.47-213,196,506.48-43,757,476.43

Finding the Fourth Proportional to 142,117,447.47, 213,196,506.48 and 43,757,476.43

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Solution

The fourth proportional to 142,117,447.47, 213,196,506.48 and 43,757,476.43 is: 65,642,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,447.47 : 213,196,506.48 = 43,757,476.43 : x
  2. Step 2: Convert to fraction form
    142,117,447.47/213,196,506.48 = 43,757,476.43/x
  3. Step 3: Cross multiply
    142,117,447.47x = 213,196,506.48 × 43,757,476.43
  4. Step 4: Simplify right side
    142,117,447.47x = 9,328,941,106,990,446
  5. Step 5: Solve for x
    x = 9,328,941,106,990,446/142,117,447.47
  6. Step 6: Final answer
    x = 65,642,475.80

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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.