Home / 65,204,054.40-97,806,081.60-42,245,803.20

Finding the Fourth Proportional to 65,204,054.40, 97,806,081.60 and 42,245,803.20

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Solution

The fourth proportional to 65,204,054.40, 97,806,081.60 and 42,245,803.20 is: 63,368,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,204,054.40 : 97,806,081.60 = 42,245,803.20 : x
  2. Step 2: Convert to fraction form
    65,204,054.40/97,806,081.60 = 42,245,803.20/x
  3. Step 3: Cross multiply
    65,204,054.40x = 97,806,081.60 × 42,245,803.20
  4. Step 4: Simplify right side
    65,204,054.40x = 4,131,896,475,036,741
  5. Step 5: Solve for x
    x = 4,131,896,475,036,741/65,204,054.40
  6. Step 6: Final answer
    x = 63,368,704.80

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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.