Home / 66,593,547-99,890,359.38-18,724,491

Finding the Fourth Proportional to 66,593,547, 99,890,359.38 and 18,724,491

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Solution

The fourth proportional to 66,593,547, 99,890,359.38 and 18,724,491 is: 28,086,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593,547 : 99,890,359.38 = 18,724,491 : x
  2. Step 2: Convert to fraction form
    66,593,547/99,890,359.38 = 18,724,491/x
  3. Step 3: Cross multiply
    66,593,547x = 99,890,359.38 × 18,724,491
  4. Step 4: Simplify right side
    66,593,547x = 1,870,396,135,197,575.50
  5. Step 5: Solve for x
    x = 1,870,396,135,197,575.50/66,593,547
  6. Step 6: Final answer
    x = 28,086,747.43

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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.