Home / 89,006,907.30-133,533,980.55-31,493,181.30

Finding the Fourth Proportional to 89,006,907.30, 133,533,980.55 and 31,493,181.30

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Solution

The fourth proportional to 89,006,907.30, 133,533,980.55 and 31,493,181.30 is: 47,248,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006,907.30 : 133,533,980.55 = 31,493,181.30 : x
  2. Step 2: Convert to fraction form
    89,006,907.30/133,533,980.55 = 31,493,181.30/x
  3. Step 3: Cross multiply
    89,006,907.30x = 133,533,980.55 × 31,493,181.30
  4. Step 4: Simplify right side
    89,006,907.30x = 4,205,409,859,171,823.50
  5. Step 5: Solve for x
    x = 4,205,409,859,171,823.50/89,006,907.30
  6. Step 6: Final answer
    x = 47,248,129.24

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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.