Home / 142,971,549.12-214,429,895.28-55,532,969.28

Finding the Fourth Proportional to 142,971,549.12, 214,429,895.28 and 55,532,969.28

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Solution

The fourth proportional to 142,971,549.12, 214,429,895.28 and 55,532,969.28 is: 83,288,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,971,549.12 : 214,429,895.28 = 55,532,969.28 : x
  2. Step 2: Convert to fraction form
    142,971,549.12/214,429,895.28 = 55,532,969.28/x
  3. Step 3: Cross multiply
    142,971,549.12x = 214,429,895.28 × 55,532,969.28
  4. Step 4: Simplify right side
    142,971,549.12x = 11,907,928,787,297,858
  5. Step 5: Solve for x
    x = 11,907,928,787,297,858/142,971,549.12
  6. Step 6: Final answer
    x = 83,288,800.19

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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.