Home / 123,048,209.60-184,572,314.40-103,042,116.80

Finding the Fourth Proportional to 123,048,209.60, 184,572,314.40 and 103,042,116.80

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Solution

The fourth proportional to 123,048,209.60, 184,572,314.40 and 103,042,116.80 is: 154,563,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,048,209.60 : 184,572,314.40 = 103,042,116.80 : x
  2. Step 2: Convert to fraction form
    123,048,209.60/184,572,314.40 = 103,042,116.80/x
  3. Step 3: Cross multiply
    123,048,209.60x = 184,572,314.40 × 103,042,116.80
  4. Step 4: Simplify right side
    123,048,209.60x = 19,018,721,978,451,120
  5. Step 5: Solve for x
    x = 19,018,721,978,451,120/123,048,209.60
  6. Step 6: Final answer
    x = 154,563,175.20

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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.