Home / 123,090,285.20-184,652,016.60-42,336,006.80

Finding the Fourth Proportional to 123,090,285.20, 184,652,016.60 and 42,336,006.80

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Solution

The fourth proportional to 123,090,285.20, 184,652,016.60 and 42,336,006.80 is: 63,509,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,090,285.20 : 184,652,016.60 = 42,336,006.80 : x
  2. Step 2: Convert to fraction form
    123,090,285.20/184,652,016.60 = 42,336,006.80/x
  3. Step 3: Cross multiply
    123,090,285.20x = 184,652,016.60 × 42,336,006.80
  4. Step 4: Simplify right side
    123,090,285.20x = 7,817,429,030,411,312
  5. Step 5: Solve for x
    x = 7,817,429,030,411,312/123,090,285.20
  6. Step 6: Final answer
    x = 63,509,715.80

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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.