Home / 123,299,733.74-170,152,276.52-66,783,073.60

Finding the Fourth Proportional to 123,299,733.74, 170,152,276.52 and 66,783,073.60

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Solution

The fourth proportional to 123,299,733.74, 170,152,276.52 and 66,783,073.60 is: 92,159,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,299,733.74 : 170,152,276.52 = 66,783,073.60 : x
  2. Step 2: Convert to fraction form
    123,299,733.74/170,152,276.52 = 66,783,073.60/x
  3. Step 3: Cross multiply
    123,299,733.74x = 170,152,276.52 × 66,783,073.60
  4. Step 4: Simplify right side
    123,299,733.74x = 11,363,292,006,042,712
  5. Step 5: Solve for x
    x = 11,363,292,006,042,712/123,299,733.74
  6. Step 6: Final answer
    x = 92,159,907.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.