Home / 245,396,044,493.92-368,130,871,835.34-86,191,083,143.74

Finding the Fourth Proportional to 245,396,044,493.92, 368,130,871,835.34 and 86,191,083,143.74

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Solution

The fourth proportional to 245,396,044,493.92, 368,130,871,835.34 and 86,191,083,143.74 is: 129,299,551,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,396,044,493.92 : 368,130,871,835.34 = 86,191,083,143.74 : x
  2. Step 2: Convert to fraction form
    245,396,044,493.92/368,130,871,835.34 = 86,191,083,143.74/x
  3. Step 3: Cross multiply
    245,396,044,493.92x = 368,130,871,835.34 × 86,191,083,143.74
  4. Step 4: Simplify right side
    245,396,044,493.92x = 31,729,598,582,137,286,557,696
  5. Step 5: Solve for x
    x = 31,729,598,582,137,286,557,696/245,396,044,493.92
  6. Step 6: Final answer
    x = 129,299,551,863.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.