Home / 103,478,414.40-155,217,621.60-35,323,329.60

Finding the Fourth Proportional to 103,478,414.40, 155,217,621.60 and 35,323,329.60

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Solution

The fourth proportional to 103,478,414.40, 155,217,621.60 and 35,323,329.60 is: 52,984,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,478,414.40 : 155,217,621.60 = 35,323,329.60 : x
  2. Step 2: Convert to fraction form
    103,478,414.40/155,217,621.60 = 35,323,329.60/x
  3. Step 3: Cross multiply
    103,478,414.40x = 155,217,621.60 × 35,323,329.60
  4. Step 4: Simplify right side
    103,478,414.40x = 5,482,803,207,504,879
  5. Step 5: Solve for x
    x = 5,482,803,207,504,879/103,478,414.40
  6. Step 6: Final answer
    x = 52,984,994.40

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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.