Home / 312,596,030.15-468,965,467.79-108,123,932.87

Finding the Fourth Proportional to 312,596,030.15, 468,965,467.79 and 108,123,932.87

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Solution

The fourth proportional to 312,596,030.15, 468,965,467.79 and 108,123,932.87 is: 162,210,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,596,030.15 : 468,965,467.79 = 108,123,932.87 : x
  2. Step 2: Convert to fraction form
    312,596,030.15/468,965,467.79 = 108,123,932.87/x
  3. Step 3: Cross multiply
    312,596,030.15x = 468,965,467.79 × 108,123,932.87
  4. Step 4: Simplify right side
    312,596,030.15x = 50,706,390,754,788,664
  5. Step 5: Solve for x
    x = 50,706,390,754,788,664/312,596,030.15
  6. Step 6: Final answer
    x = 162,210,603.67

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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.