Home / 129,387,893.60-193,550,998.80-116,647,695.20

Finding the Fourth Proportional to 129,387,893.60, 193,550,998.80 and 116,647,695.20

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Solution

The fourth proportional to 129,387,893.60, 193,550,998.80 and 116,647,695.20 is: 174,492,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,387,893.60 : 193,550,998.80 = 116,647,695.20 : x
  2. Step 2: Convert to fraction form
    129,387,893.60/193,550,998.80 = 116,647,695.20/x
  3. Step 3: Cross multiply
    129,387,893.60x = 193,550,998.80 × 116,647,695.20
  4. Step 4: Simplify right side
    129,387,893.60x = 22,577,277,913,677,968
  5. Step 5: Solve for x
    x = 22,577,277,913,677,968/129,387,893.60
  6. Step 6: Final answer
    x = 174,492,970.60

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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.