Home / 115,250,017.81-159,043,155.54-63,038,596.77

Finding the Fourth Proportional to 115,250,017.81, 159,043,155.54 and 63,038,596.77

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Solution

The fourth proportional to 115,250,017.81, 159,043,155.54 and 63,038,596.77 is: 86,992,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250,017.81 : 159,043,155.54 = 63,038,596.77 : x
  2. Step 2: Convert to fraction form
    115,250,017.81/159,043,155.54 = 63,038,596.77/x
  3. Step 3: Cross multiply
    115,250,017.81x = 159,043,155.54 × 63,038,596.77
  4. Step 4: Simplify right side
    115,250,017.81x = 10,025,857,351,114,452
  5. Step 5: Solve for x
    x = 10,025,857,351,114,452/115,250,017.81
  6. Step 6: Final answer
    x = 86,992,241.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.