Home / 276,771,242.77-415,160,888.22-72,299,339.89

Finding the Fourth Proportional to 276,771,242.77, 415,160,888.22 and 72,299,339.89

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Solution

The fourth proportional to 276,771,242.77, 415,160,888.22 and 72,299,339.89 is: 108,450,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,771,242.77 : 415,160,888.22 = 72,299,339.89 : x
  2. Step 2: Convert to fraction form
    276,771,242.77/415,160,888.22 = 72,299,339.89/x
  3. Step 3: Cross multiply
    276,771,242.77x = 415,160,888.22 × 72,299,339.89
  4. Step 4: Simplify right side
    276,771,242.77x = 30,015,858,166,452,080
  5. Step 5: Solve for x
    x = 30,015,858,166,452,080/276,771,242.77
  6. Step 6: Final answer
    x = 108,450,061.02

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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.