Home / 103,213,568.68-142,431,860.10-58,567,673.32

Finding the Fourth Proportional to 103,213,568.68, 142,431,860.10 and 58,567,673.32

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Solution

The fourth proportional to 103,213,568.68, 142,431,860.10 and 58,567,673.32 is: 80,821,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,213,568.68 : 142,431,860.10 = 58,567,673.32 : x
  2. Step 2: Convert to fraction form
    103,213,568.68/142,431,860.10 = 58,567,673.32/x
  3. Step 3: Cross multiply
    103,213,568.68x = 142,431,860.10 × 58,567,673.32
  4. Step 4: Simplify right side
    103,213,568.68x = 8,341,902,652,696,742
  5. Step 5: Solve for x
    x = 8,341,902,652,696,742/103,213,568.68
  6. Step 6: Final answer
    x = 80,821,763.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.