Home / 213,146,153.56-294,148,824.38-130,624,001.88

Finding the Fourth Proportional to 213,146,153.56, 294,148,824.38 and 130,624,001.88

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Solution

The fourth proportional to 213,146,153.56, 294,148,824.38 and 130,624,001.88 is: 180,265,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,146,153.56 : 294,148,824.38 = 130,624,001.88 : x
  2. Step 2: Convert to fraction form
    213,146,153.56/294,148,824.38 = 130,624,001.88/x
  3. Step 3: Cross multiply
    213,146,153.56x = 294,148,824.38 × 130,624,001.88
  4. Step 4: Simplify right side
    213,146,153.56x = 38,422,896,588,812,904
  5. Step 5: Solve for x
    x = 38,422,896,588,812,904/213,146,153.56
  6. Step 6: Final answer
    x = 180,265,493.64

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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.