Home / 65,508,933.60-98,263,400.40-31,412,728.80

Finding the Fourth Proportional to 65,508,933.60, 98,263,400.40 and 31,412,728.80

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Solution

The fourth proportional to 65,508,933.60, 98,263,400.40 and 31,412,728.80 is: 47,119,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,508,933.60 : 98,263,400.40 = 31,412,728.80 : x
  2. Step 2: Convert to fraction form
    65,508,933.60/98,263,400.40 = 31,412,728.80/x
  3. Step 3: Cross multiply
    65,508,933.60x = 98,263,400.40 × 31,412,728.80
  4. Step 4: Simplify right side
    65,508,933.60x = 3,086,721,547,731,012
  5. Step 5: Solve for x
    x = 3,086,721,547,731,012/65,508,933.60
  6. Step 6: Final answer
    x = 47,119,093.20

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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.