Home / 69,105,123.51-95,364,485.82-38,164,628.49

Finding the Fourth Proportional to 69,105,123.51, 95,364,485.82 and 38,164,628.49

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Solution

The fourth proportional to 69,105,123.51, 95,364,485.82 and 38,164,628.49 is: 52,666,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,105,123.51 : 95,364,485.82 = 38,164,628.49 : x
  2. Step 2: Convert to fraction form
    69,105,123.51/95,364,485.82 = 38,164,628.49/x
  3. Step 3: Cross multiply
    69,105,123.51x = 95,364,485.82 × 38,164,628.49
  4. Step 4: Simplify right side
    69,105,123.51x = 3,639,550,172,460,173
  5. Step 5: Solve for x
    x = 3,639,550,172,460,173/69,105,123.51
  6. Step 6: Final answer
    x = 52,666,864.45

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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.