Home / 251,634,341.72-377,473,309.68-76,796,709.86

Finding the Fourth Proportional to 251,634,341.72, 377,473,309.68 and 76,796,709.86

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Solution

The fourth proportional to 251,634,341.72, 377,473,309.68 and 76,796,709.86 is: 115,201,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,634,341.72 : 377,473,309.68 = 76,796,709.86 : x
  2. Step 2: Convert to fraction form
    251,634,341.72/377,473,309.68 = 76,796,709.86/x
  3. Step 3: Cross multiply
    251,634,341.72x = 377,473,309.68 × 76,796,709.86
  4. Step 4: Simplify right side
    251,634,341.72x = 28,988,708,243,388,888
  5. Step 5: Solve for x
    x = 28,988,708,243,388,888/251,634,341.72
  6. Step 6: Final answer
    x = 115,201,717.08

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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.