Home / 374,303,999.80-561,455,999.70-131,886,335.80

Finding the Fourth Proportional to 374,303,999.80, 561,455,999.70 and 131,886,335.80

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Solution

The fourth proportional to 374,303,999.80, 561,455,999.70 and 131,886,335.80 is: 197,829,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,303,999.80 : 561,455,999.70 = 131,886,335.80 : x
  2. Step 2: Convert to fraction form
    374,303,999.80/561,455,999.70 = 131,886,335.80/x
  3. Step 3: Cross multiply
    374,303,999.80x = 561,455,999.70 × 131,886,335.80
  4. Step 4: Simplify right side
    374,303,999.80x = 74,048,374,513,358,896
  5. Step 5: Solve for x
    x = 74,048,374,513,358,896/374,303,999.80
  6. Step 6: Final answer
    x = 197,829,503.70

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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.