Home / 101,048,547.72-139,412,744.40-82,431,505.20

Finding the Fourth Proportional to 101,048,547.72, 139,412,744.40 and 82,431,505.20

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Solution

The fourth proportional to 101,048,547.72, 139,412,744.40 and 82,431,505.20 is: 113,727,536.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,048,547.72 : 139,412,744.40 = 82,431,505.20 : x
  2. Step 2: Convert to fraction form
    101,048,547.72/139,412,744.40 = 82,431,505.20/x
  3. Step 3: Cross multiply
    101,048,547.72x = 139,412,744.40 × 82,431,505.20
  4. Step 4: Simplify right side
    101,048,547.72x = 11,492,002,364,954,872
  5. Step 5: Solve for x
    x = 11,492,002,364,954,872/101,048,547.72
  6. Step 6: Final answer
    x = 113,727,536.16

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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.