Home / 89,006,907.80-133,533,981.30-31,493,181.80

Finding the Fourth Proportional to 89,006,907.80, 133,533,981.30 and 31,493,181.80

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Solution

The fourth proportional to 89,006,907.80, 133,533,981.30 and 31,493,181.80 is: 47,248,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006,907.80 : 133,533,981.30 = 31,493,181.80 : x
  2. Step 2: Convert to fraction form
    89,006,907.80/133,533,981.30 = 31,493,181.80/x
  3. Step 3: Cross multiply
    89,006,907.80x = 133,533,981.30 × 31,493,181.80
  4. Step 4: Simplify right side
    89,006,907.80x = 4,205,409,949,558,700.50
  5. Step 5: Solve for x
    x = 4,205,409,949,558,700.50/89,006,907.80
  6. Step 6: Final answer
    x = 47,248,129.99

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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.