Home / 30,190,305.15-45,487,113.12-27,315,357.12

Finding the Fourth Proportional to 30,190,305.15, 45,487,113.12 and 27,315,357.12

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Solution

The fourth proportional to 30,190,305.15, 45,487,113.12 and 27,315,357.12 is: 41,155,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190,305.15 : 45,487,113.12 = 27,315,357.12 : x
  2. Step 2: Convert to fraction form
    30,190,305.15/45,487,113.12 = 27,315,357.12/x
  3. Step 3: Cross multiply
    30,190,305.15x = 45,487,113.12 × 27,315,357.12
  4. Step 4: Simplify right side
    30,190,305.15x = 1,242,496,739,230,637.50
  5. Step 5: Solve for x
    x = 1,242,496,739,230,637.50/30,190,305.15
  6. Step 6: Final answer
    x = 41,155,487.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.