Home / 374,058,019.60-561,087,029.40-155,635,768.60

Finding the Fourth Proportional to 374,058,019.60, 561,087,029.40 and 155,635,768.60

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Solution

The fourth proportional to 374,058,019.60, 561,087,029.40 and 155,635,768.60 is: 233,453,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,058,019.60 : 561,087,029.40 = 155,635,768.60 : x
  2. Step 2: Convert to fraction form
    374,058,019.60/561,087,029.40 = 155,635,768.60/x
  3. Step 3: Cross multiply
    374,058,019.60x = 561,087,029.40 × 155,635,768.60
  4. Step 4: Simplify right side
    374,058,019.60x = 87,325,211,072,159,792
  5. Step 5: Solve for x
    x = 87,325,211,072,159,792/374,058,019.60
  6. Step 6: Final answer
    x = 233,453,652.90

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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.