Home / 119,579,031.39-179,368,549.44-28,702,620.39

Finding the Fourth Proportional to 119,579,031.39, 179,368,549.44 and 28,702,620.39

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Solution

The fourth proportional to 119,579,031.39, 179,368,549.44 and 28,702,620.39 is: 43,053,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579,031.39 : 179,368,549.44 = 28,702,620.39 : x
  2. Step 2: Convert to fraction form
    119,579,031.39/179,368,549.44 = 28,702,620.39/x
  3. Step 3: Cross multiply
    119,579,031.39x = 179,368,549.44 × 28,702,620.39
  4. Step 4: Simplify right side
    119,579,031.39x = 5,148,347,384,037,316
  5. Step 5: Solve for x
    x = 5,148,347,384,037,316/119,579,031.39
  6. Step 6: Final answer
    x = 43,053,931.15

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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.