Home / 98,496,002.40-147,744,003.60-90,433,845.60

Finding the Fourth Proportional to 98,496,002.40, 147,744,003.60 and 90,433,845.60

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Solution

The fourth proportional to 98,496,002.40, 147,744,003.60 and 90,433,845.60 is: 135,650,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,002.40 : 147,744,003.60 = 90,433,845.60 : x
  2. Step 2: Convert to fraction form
    98,496,002.40/147,744,003.60 = 90,433,845.60/x
  3. Step 3: Cross multiply
    98,496,002.40x = 147,744,003.60 × 90,433,845.60
  4. Step 4: Simplify right side
    98,496,002.40x = 13,361,058,409,888,242
  5. Step 5: Solve for x
    x = 13,361,058,409,888,242/98,496,002.40
  6. Step 6: Final answer
    x = 135,650,768.40

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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.