Home / 286,489,974.47-429,734,425.21-89,768,447.51

Finding the Fourth Proportional to 286,489,974.47, 429,734,425.21 and 89,768,447.51

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Solution

The fourth proportional to 286,489,974.47, 429,734,425.21 and 89,768,447.51 is: 134,652,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,489,974.47 : 429,734,425.21 = 89,768,447.51 : x
  2. Step 2: Convert to fraction form
    286,489,974.47/429,734,425.21 = 89,768,447.51/x
  3. Step 3: Cross multiply
    286,489,974.47x = 429,734,425.21 × 89,768,447.51
  4. Step 4: Simplify right side
    286,489,974.47x = 38,576,592,192,703,904
  5. Step 5: Solve for x
    x = 38,576,592,192,703,904/286,489,974.47
  6. Step 6: Final answer
    x = 134,652,503.16

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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.