Home / 142,172,302.64-213,114,883.08-55,971,212.72

Finding the Fourth Proportional to 142,172,302.64, 213,114,883.08 and 55,971,212.72

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Solution

The fourth proportional to 142,172,302.64, 213,114,883.08 and 55,971,212.72 is: 83,900,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,172,302.64 : 213,114,883.08 = 55,971,212.72 : x
  2. Step 2: Convert to fraction form
    142,172,302.64/213,114,883.08 = 55,971,212.72/x
  3. Step 3: Cross multiply
    142,172,302.64x = 213,114,883.08 × 55,971,212.72
  4. Step 4: Simplify right side
    142,172,302.64x = 11,928,298,454,668,610
  5. Step 5: Solve for x
    x = 11,928,298,454,668,610/142,172,302.64
  6. Step 6: Final answer
    x = 83,900,297.27

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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.