Home / 65,200,621.80-97,800,932.70-42,525,805.80

Finding the Fourth Proportional to 65,200,621.80, 97,800,932.70 and 42,525,805.80

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Solution

The fourth proportional to 65,200,621.80, 97,800,932.70 and 42,525,805.80 is: 63,788,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,621.80 : 97,800,932.70 = 42,525,805.80 : x
  2. Step 2: Convert to fraction form
    65,200,621.80/97,800,932.70 = 42,525,805.80/x
  3. Step 3: Cross multiply
    65,200,621.80x = 97,800,932.70 × 42,525,805.80
  4. Step 4: Simplify right side
    65,200,621.80x = 4,159,063,471,059,069.50
  5. Step 5: Solve for x
    x = 4,159,063,471,059,069.50/65,200,621.80
  6. Step 6: Final answer
    x = 63,788,708.70

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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.