Home / 237,892,188.96-328,286,055.84-137,420,709.12

Finding the Fourth Proportional to 237,892,188.96, 328,286,055.84 and 137,420,709.12

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Solution

The fourth proportional to 237,892,188.96, 328,286,055.84 and 137,420,709.12 is: 189,637,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,892,188.96 : 328,286,055.84 = 137,420,709.12 : x
  2. Step 2: Convert to fraction form
    237,892,188.96/328,286,055.84 = 137,420,709.12/x
  3. Step 3: Cross multiply
    237,892,188.96x = 328,286,055.84 × 137,420,709.12
  4. Step 4: Simplify right side
    237,892,188.96x = 45,113,302,587,740,712
  5. Step 5: Solve for x
    x = 45,113,302,587,740,712/237,892,188.96
  6. Step 6: Final answer
    x = 189,637,595.02

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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.