Home / 116,640,288.40-174,960,432.60-80,360,582.80

Finding the Fourth Proportional to 116,640,288.40, 174,960,432.60 and 80,360,582.80

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Solution

The fourth proportional to 116,640,288.40, 174,960,432.60 and 80,360,582.80 is: 120,540,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,288.40 : 174,960,432.60 = 80,360,582.80 : x
  2. Step 2: Convert to fraction form
    116,640,288.40/174,960,432.60 = 80,360,582.80/x
  3. Step 3: Cross multiply
    116,640,288.40x = 174,960,432.60 × 80,360,582.80
  4. Step 4: Simplify right side
    116,640,288.40x = 14,059,922,330,676,118
  5. Step 5: Solve for x
    x = 14,059,922,330,676,118/116,640,288.40
  6. Step 6: Final answer
    x = 120,540,874.20

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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.