Home / 105,014,744.40-157,522,116.60-90,858,968.40

Finding the Fourth Proportional to 105,014,744.40, 157,522,116.60 and 90,858,968.40

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Solution

The fourth proportional to 105,014,744.40, 157,522,116.60 and 90,858,968.40 is: 136,288,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014,744.40 : 157,522,116.60 = 90,858,968.40 : x
  2. Step 2: Convert to fraction form
    105,014,744.40/157,522,116.60 = 90,858,968.40/x
  3. Step 3: Cross multiply
    105,014,744.40x = 157,522,116.60 × 90,858,968.40
  4. Step 4: Simplify right side
    105,014,744.40x = 14,312,297,014,460,516
  5. Step 5: Solve for x
    x = 14,312,297,014,460,516/105,014,744.40
  6. Step 6: Final answer
    x = 136,288,452.60

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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.