Home / 119,579,061.71-179,368,595.10-28,702,650.71

Finding the Fourth Proportional to 119,579,061.71, 179,368,595.10 and 28,702,650.71

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Solution

The fourth proportional to 119,579,061.71, 179,368,595.10 and 28,702,650.71 is: 43,053,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579,061.71 : 179,368,595.10 = 28,702,650.71 : x
  2. Step 2: Convert to fraction form
    119,579,061.71/179,368,595.10 = 28,702,650.71/x
  3. Step 3: Cross multiply
    119,579,061.71x = 179,368,595.10 × 28,702,650.71
  4. Step 4: Simplify right side
    119,579,061.71x = 5,148,354,133,947,139
  5. Step 5: Solve for x
    x = 5,148,354,133,947,139/119,579,061.71
  6. Step 6: Final answer
    x = 43,053,976.68

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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.