Home / 147,217,425.45-203,168,036.55-84,493,021.94

Finding the Fourth Proportional to 147,217,425.45, 203,168,036.55 and 84,493,021.94

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Solution

The fourth proportional to 147,217,425.45, 203,168,036.55 and 84,493,021.94 is: 116,604,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217,425.45 : 203,168,036.55 = 84,493,021.94 : x
  2. Step 2: Convert to fraction form
    147,217,425.45/203,168,036.55 = 84,493,021.94/x
  3. Step 3: Cross multiply
    147,217,425.45x = 203,168,036.55 × 84,493,021.94
  4. Step 4: Simplify right side
    147,217,425.45x = 17,166,281,369,725,872
  5. Step 5: Solve for x
    x = 17,166,281,369,725,872/147,217,425.45
  6. Step 6: Final answer
    x = 116,604,955.68

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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.