Home / 123,048,205.60-184,572,308.40-103,042,112.80

Finding the Fourth Proportional to 123,048,205.60, 184,572,308.40 and 103,042,112.80

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Solution

The fourth proportional to 123,048,205.60, 184,572,308.40 and 103,042,112.80 is: 154,563,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,048,205.60 : 184,572,308.40 = 103,042,112.80 : x
  2. Step 2: Convert to fraction form
    123,048,205.60/184,572,308.40 = 103,042,112.80/x
  3. Step 3: Cross multiply
    123,048,205.60x = 184,572,308.40 × 103,042,112.80
  4. Step 4: Simplify right side
    123,048,205.60x = 19,018,720,621,909,188
  5. Step 5: Solve for x
    x = 19,018,720,621,909,188/123,048,205.60
  6. Step 6: Final answer
    x = 154,563,169.20

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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.