Home / 100,953,386.16-151,455,562.92-28,170,105.72

Finding the Fourth Proportional to 100,953,386.16, 151,455,562.92 and 28,170,105.72

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Solution

The fourth proportional to 100,953,386.16, 151,455,562.92 and 28,170,105.72 is: 42,262,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,953,386.16 : 151,455,562.92 = 28,170,105.72 : x
  2. Step 2: Convert to fraction form
    100,953,386.16/151,455,562.92 = 28,170,105.72/x
  3. Step 3: Cross multiply
    100,953,386.16x = 151,455,562.92 × 28,170,105.72
  4. Step 4: Simplify right side
    100,953,386.16x = 4,266,519,219,338,511.50
  5. Step 5: Solve for x
    x = 4,266,519,219,338,511.50/100,953,386.16
  6. Step 6: Final answer
    x = 42,262,269.56

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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.