Home / 98,124,348.51-135,412,508.16-54,072,923.76

Finding the Fourth Proportional to 98,124,348.51, 135,412,508.16 and 54,072,923.76

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Solution

The fourth proportional to 98,124,348.51, 135,412,508.16 and 54,072,923.76 is: 74,621,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,124,348.51 : 135,412,508.16 = 54,072,923.76 : x
  2. Step 2: Convert to fraction form
    98,124,348.51/135,412,508.16 = 54,072,923.76/x
  3. Step 3: Cross multiply
    98,124,348.51x = 135,412,508.16 × 54,072,923.76
  4. Step 4: Simplify right side
    98,124,348.51x = 7,322,150,229,886,057
  5. Step 5: Solve for x
    x = 7,322,150,229,886,057/98,124,348.51
  6. Step 6: Final answer
    x = 74,621,134.72

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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.