Home / 216,087,603.01-297,904,540.20-136,663,078.53

Finding the Fourth Proportional to 216,087,603.01, 297,904,540.20 and 136,663,078.53

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Solution

The fourth proportional to 216,087,603.01, 297,904,540.20 and 136,663,078.53 is: 188,407,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,087,603.01 : 297,904,540.20 = 136,663,078.53 : x
  2. Step 2: Convert to fraction form
    216,087,603.01/297,904,540.20 = 136,663,078.53/x
  3. Step 3: Cross multiply
    216,087,603.01x = 297,904,540.20 × 136,663,078.53
  4. Step 4: Simplify right side
    216,087,603.01x = 40,712,551,570,819,112
  5. Step 5: Solve for x
    x = 40,712,551,570,819,112/216,087,603.01
  6. Step 6: Final answer
    x = 188,407,622.67

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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.