Home / 429,837,906.58-644,756,465.96-134,735,149.06

Finding the Fourth Proportional to 429,837,906.58, 644,756,465.96 and 134,735,149.06

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Solution

The fourth proportional to 429,837,906.58, 644,756,465.96 and 134,735,149.06 is: 202,102,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,837,906.58 : 644,756,465.96 = 134,735,149.06 : x
  2. Step 2: Convert to fraction form
    429,837,906.58/644,756,465.96 = 134,735,149.06/x
  3. Step 3: Cross multiply
    429,837,906.58x = 644,756,465.96 × 134,735,149.06
  4. Step 4: Simplify right side
    429,837,906.58x = 86,871,358,548,519,424
  5. Step 5: Solve for x
    x = 86,871,358,548,519,424/429,837,906.58
  6. Step 6: Final answer
    x = 202,102,600.12

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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.