Home / 104,382,121,419.20-156,509,103,962.34-40,564,953,161.78

Finding the Fourth Proportional to 104,382,121,419.20, 156,509,103,962.34 and 40,564,953,161.78

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Solution

The fourth proportional to 104,382,121,419.20, 156,509,103,962.34 and 40,564,953,161.78 is: 60,822,527,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,382,121,419.20 : 156,509,103,962.34 = 40,564,953,161.78 : x
  2. Step 2: Convert to fraction form
    104,382,121,419.20/156,509,103,962.34 = 40,564,953,161.78/x
  3. Step 3: Cross multiply
    104,382,121,419.20x = 156,509,103,962.34 × 40,564,953,161.78
  4. Step 4: Simplify right side
    104,382,121,419.20x = 6,348,784,471,623,696,646,144
  5. Step 5: Solve for x
    x = 6,348,784,471,623,696,646,144/104,382,121,419.20
  6. Step 6: Final answer
    x = 60,822,527,702.10

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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.