Home / 119,579,070.36-179,368,607.82-28,702,659.36

Finding the Fourth Proportional to 119,579,070.36, 179,368,607.82 and 28,702,659.36

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Solution

The fourth proportional to 119,579,070.36, 179,368,607.82 and 28,702,659.36 is: 43,053,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579,070.36 : 179,368,607.82 = 28,702,659.36 : x
  2. Step 2: Convert to fraction form
    119,579,070.36/179,368,607.82 = 28,702,659.36/x
  3. Step 3: Cross multiply
    119,579,070.36x = 179,368,607.82 × 28,702,659.36
  4. Step 4: Simplify right side
    119,579,070.36x = 5,148,356,050,134,892
  5. Step 5: Solve for x
    x = 5,148,356,050,134,892/119,579,070.36
  6. Step 6: Final answer
    x = 43,053,989.59

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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.