Home / 305,998,942.96-459,088,468.79-98,733,465.38

Finding the Fourth Proportional to 305,998,942.96, 459,088,468.79 and 98,733,465.38

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Solution

The fourth proportional to 305,998,942.96, 459,088,468.79 and 98,733,465.38 is: 148,129,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,998,942.96 : 459,088,468.79 = 98,733,465.38 : x
  2. Step 2: Convert to fraction form
    305,998,942.96/459,088,468.79 = 98,733,465.38/x
  3. Step 3: Cross multiply
    305,998,942.96x = 459,088,468.79 × 98,733,465.38
  4. Step 4: Simplify right side
    305,998,942.96x = 45,327,395,439,634,672
  5. Step 5: Solve for x
    x = 45,327,395,439,634,672/305,998,942.96
  6. Step 6: Final answer
    x = 148,129,254.96

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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.