Home / 104,976,913.40-157,465,370.10-90,616,196.60

Finding the Fourth Proportional to 104,976,913.40, 157,465,370.10 and 90,616,196.60

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Solution

The fourth proportional to 104,976,913.40, 157,465,370.10 and 90,616,196.60 is: 135,924,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,913.40 : 157,465,370.10 = 90,616,196.60 : x
  2. Step 2: Convert to fraction form
    104,976,913.40/157,465,370.10 = 90,616,196.60/x
  3. Step 3: Cross multiply
    104,976,913.40x = 157,465,370.10 × 90,616,196.60
  4. Step 4: Simplify right side
    104,976,913.40x = 14,268,912,934,673,360
  5. Step 5: Solve for x
    x = 14,268,912,934,673,360/104,976,913.40
  6. Step 6: Final answer
    x = 135,924,294.90

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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.