Home / 115,477,832.40-173,216,972.16-28,038,982.56

Finding the Fourth Proportional to 115,477,832.40, 173,216,972.16 and 28,038,982.56

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Solution

The fourth proportional to 115,477,832.40, 173,216,972.16 and 28,038,982.56 is: 42,058,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,477,832.40 : 173,216,972.16 = 28,038,982.56 : x
  2. Step 2: Convert to fraction form
    115,477,832.40/173,216,972.16 = 28,038,982.56/x
  3. Step 3: Cross multiply
    115,477,832.40x = 173,216,972.16 × 28,038,982.56
  4. Step 4: Simplify right side
    115,477,832.40x = 4,856,827,661,490,245
  5. Step 5: Solve for x
    x = 4,856,827,661,490,245/115,477,832.40
  6. Step 6: Final answer
    x = 42,058,528.12

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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.