Home / 196,571,973.60-294,857,960.40-67,160,185.20

Finding the Fourth Proportional to 196,571,973.60, 294,857,960.40 and 67,160,185.20

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Solution

The fourth proportional to 196,571,973.60, 294,857,960.40 and 67,160,185.20 is: 100,740,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,571,973.60 : 294,857,960.40 = 67,160,185.20 : x
  2. Step 2: Convert to fraction form
    196,571,973.60/294,857,960.40 = 67,160,185.20/x
  3. Step 3: Cross multiply
    196,571,973.60x = 294,857,960.40 × 67,160,185.20
  4. Step 4: Simplify right side
    196,571,973.60x = 19,802,715,228,158,264
  5. Step 5: Solve for x
    x = 19,802,715,228,158,264/196,571,973.60
  6. Step 6: Final answer
    x = 100,740,277.80

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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.