Home / 142,611,078.64-196,965,373.08-96,121,197.04

Finding the Fourth Proportional to 142,611,078.64, 196,965,373.08 and 96,121,197.04

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Solution

The fourth proportional to 142,611,078.64, 196,965,373.08 and 96,121,197.04 is: 132,756,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,611,078.64 : 196,965,373.08 = 96,121,197.04 : x
  2. Step 2: Convert to fraction form
    142,611,078.64/196,965,373.08 = 96,121,197.04/x
  3. Step 3: Cross multiply
    142,611,078.64x = 196,965,373.08 × 96,121,197.04
  4. Step 4: Simplify right side
    142,611,078.64x = 18,932,547,435,879,796
  5. Step 5: Solve for x
    x = 18,932,547,435,879,796/142,611,078.64
  6. Step 6: Final answer
    x = 132,756,498.42

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Why These Related Problems?

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