Home / 66,156,735.42-91,298,513.34-36,388,642.91

Finding the Fourth Proportional to 66,156,735.42, 91,298,513.34 and 36,388,642.91

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Solution

The fourth proportional to 66,156,735.42, 91,298,513.34 and 36,388,642.91 is: 50,217,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156,735.42 : 91,298,513.34 = 36,388,642.91 : x
  2. Step 2: Convert to fraction form
    66,156,735.42/91,298,513.34 = 36,388,642.91/x
  3. Step 3: Cross multiply
    66,156,735.42x = 91,298,513.34 × 36,388,642.91
  4. Step 4: Simplify right side
    66,156,735.42x = 3,322,228,999,686,639
  5. Step 5: Solve for x
    x = 3,322,228,999,686,639/66,156,735.42
  6. Step 6: Final answer
    x = 50,217,547.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.