Home / 228,438,194.81-315,243,016.11-124,013,581.25

Finding the Fourth Proportional to 228,438,194.81, 315,243,016.11 and 124,013,581.25

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Solution

The fourth proportional to 228,438,194.81, 315,243,016.11 and 124,013,581.25 is: 171,137,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,438,194.81 : 315,243,016.11 = 124,013,581.25 : x
  2. Step 2: Convert to fraction form
    228,438,194.81/315,243,016.11 = 124,013,581.25/x
  3. Step 3: Cross multiply
    228,438,194.81x = 315,243,016.11 × 124,013,581.25
  4. Step 4: Simplify right side
    228,438,194.81x = 39,094,415,392,943,032
  5. Step 5: Solve for x
    x = 39,094,415,392,943,032/228,438,194.81
  6. Step 6: Final answer
    x = 171,137,823.19

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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.