Home / 66,431,125.80-99,646,688.70-18,562,069.80

Finding the Fourth Proportional to 66,431,125.80, 99,646,688.70 and 18,562,069.80

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Solution

The fourth proportional to 66,431,125.80, 99,646,688.70 and 18,562,069.80 is: 27,843,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,125.80 : 99,646,688.70 = 18,562,069.80 : x
  2. Step 2: Convert to fraction form
    66,431,125.80/99,646,688.70 = 18,562,069.80/x
  3. Step 3: Cross multiply
    66,431,125.80x = 99,646,688.70 × 18,562,069.80
  4. Step 4: Simplify right side
    66,431,125.80x = 1,849,648,790,988,271.50
  5. Step 5: Solve for x
    x = 1,849,648,790,988,271.50/66,431,125.80
  6. Step 6: Final answer
    x = 27,843,104.70

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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.