Home / 123,048,220.10-184,572,330.15-103,042,127.30

Finding the Fourth Proportional to 123,048,220.10, 184,572,330.15 and 103,042,127.30

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Solution

The fourth proportional to 123,048,220.10, 184,572,330.15 and 103,042,127.30 is: 154,563,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,048,220.10 : 184,572,330.15 = 103,042,127.30 : x
  2. Step 2: Convert to fraction form
    123,048,220.10/184,572,330.15 = 103,042,127.30/x
  3. Step 3: Cross multiply
    123,048,220.10x = 184,572,330.15 × 103,042,127.30
  4. Step 4: Simplify right side
    123,048,220.10x = 19,018,725,539,373,928
  5. Step 5: Solve for x
    x = 19,018,725,539,373,928/123,048,220.10
  6. Step 6: Final answer
    x = 154,563,190.95

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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.