Home / 45,626,430-68,448,225.59-18,334,886.42

Finding the Fourth Proportional to 45,626,430, 68,448,225.59 and 18,334,886.42

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Solution

The fourth proportional to 45,626,430, 68,448,225.59 and 18,334,886.42 is: 27,505,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,626,430 : 68,448,225.59 = 18,334,886.42 : x
  2. Step 2: Convert to fraction form
    45,626,430/68,448,225.59 = 18,334,886.42/x
  3. Step 3: Cross multiply
    45,626,430x = 68,448,225.59 × 18,334,886.42
  4. Step 4: Simplify right side
    45,626,430x = 1,254,990,441,409,271.75
  5. Step 5: Solve for x
    x = 1,254,990,441,409,271.75/45,626,430
  6. Step 6: Final answer
    x = 27,505,777.71

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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.