Home / 119,579,057.72-179,368,588.74-28,702,646.72

Finding the Fourth Proportional to 119,579,057.72, 179,368,588.74 and 28,702,646.72

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Solution

The fourth proportional to 119,579,057.72, 179,368,588.74 and 28,702,646.72 is: 43,053,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579,057.72 : 179,368,588.74 = 28,702,646.72 : x
  2. Step 2: Convert to fraction form
    119,579,057.72/179,368,588.74 = 28,702,646.72/x
  3. Step 3: Cross multiply
    119,579,057.72x = 179,368,588.74 × 28,702,646.72
  4. Step 4: Simplify right side
    119,579,057.72x = 5,148,353,234,372,347
  5. Step 5: Solve for x
    x = 5,148,353,234,372,347/119,579,057.72
  6. Step 6: Final answer
    x = 43,053,970.59

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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.