Home / 130,156,078.03-195,131,392.40-64,531,968.71

Finding the Fourth Proportional to 130,156,078.03, 195,131,392.40 and 64,531,968.71

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Solution

The fourth proportional to 130,156,078.03, 195,131,392.40 and 64,531,968.71 is: 96,747,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,156,078.03 : 195,131,392.40 = 64,531,968.71 : x
  2. Step 2: Convert to fraction form
    130,156,078.03/195,131,392.40 = 64,531,968.71/x
  3. Step 3: Cross multiply
    130,156,078.03x = 195,131,392.40 × 64,531,968.71
  4. Step 4: Simplify right side
    130,156,078.03x = 12,592,212,907,881,204
  5. Step 5: Solve for x
    x = 12,592,212,907,881,204/130,156,078.03
  6. Step 6: Final answer
    x = 96,747,021.72

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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.