Home / 291,044,190.75-401,785,018.64-179,596,417.51

Finding the Fourth Proportional to 291,044,190.75, 401,785,018.64 and 179,596,417.51

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Solution

The fourth proportional to 291,044,190.75, 401,785,018.64 and 179,596,417.51 is: 247,931,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,044,190.75 : 401,785,018.64 = 179,596,417.51 : x
  2. Step 2: Convert to fraction form
    291,044,190.75/401,785,018.64 = 179,596,417.51/x
  3. Step 3: Cross multiply
    291,044,190.75x = 401,785,018.64 × 179,596,417.51
  4. Step 4: Simplify right side
    291,044,190.75x = 72,159,149,956,932,560
  5. Step 5: Solve for x
    x = 72,159,149,956,932,560/291,044,190.75
  6. Step 6: Final answer
    x = 247,931,936.97

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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.