Home / 196,128,064.90-294,192,097.35-128,103,616.90

Finding the Fourth Proportional to 196,128,064.90, 294,192,097.35 and 128,103,616.90

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Solution

The fourth proportional to 196,128,064.90, 294,192,097.35 and 128,103,616.90 is: 192,155,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,128,064.90 : 294,192,097.35 = 128,103,616.90 : x
  2. Step 2: Convert to fraction form
    196,128,064.90/294,192,097.35 = 128,103,616.90/x
  3. Step 3: Cross multiply
    196,128,064.90x = 294,192,097.35 × 128,103,616.90
  4. Step 4: Simplify right side
    196,128,064.90x = 37,687,071,733,931,912
  5. Step 5: Solve for x
    x = 37,687,071,733,931,912/196,128,064.90
  6. Step 6: Final answer
    x = 192,155,425.35

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1.5x scale

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.