Home / 374,303,003.80-561,492,024.90-128,627,282.20

Finding the Fourth Proportional to 374,303,003.80, 561,492,024.90 and 128,627,282.20

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Solution

The fourth proportional to 374,303,003.80, 561,492,024.90 and 128,627,282.20 is: 192,953,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,303,003.80 : 561,492,024.90 = 128,627,282.20 : x
  2. Step 2: Convert to fraction form
    374,303,003.80/561,492,024.90 = 128,627,282.20/x
  3. Step 3: Cross multiply
    374,303,003.80x = 561,492,024.90 × 128,627,282.20
  4. Step 4: Simplify right side
    374,303,003.80x = 72,223,193,139,861,728
  5. Step 5: Solve for x
    x = 72,223,193,139,861,728/374,303,003.80
  6. Step 6: Final answer
    x = 192,953,816.58

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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.