Home / 115,409,345.10-159,260,113.24-63,197,481.19

Finding the Fourth Proportional to 115,409,345.10, 159,260,113.24 and 63,197,481.19

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Solution

The fourth proportional to 115,409,345.10, 159,260,113.24 and 63,197,481.19 is: 87,209,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,409,345.10 : 159,260,113.24 = 63,197,481.19 : x
  2. Step 2: Convert to fraction form
    115,409,345.10/159,260,113.24 = 63,197,481.19/x
  3. Step 3: Cross multiply
    115,409,345.10x = 159,260,113.24 × 63,197,481.19
  4. Step 4: Simplify right side
    115,409,345.10x = 10,064,838,010,992,478
  5. Step 5: Solve for x
    x = 10,064,838,010,992,478/115,409,345.10
  6. Step 6: Final answer
    x = 87,209,904.90

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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.