Home / 374,303,130.30-561,492,214.65-128,627,408.70

Finding the Fourth Proportional to 374,303,130.30, 561,492,214.65 and 128,627,408.70

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Solution

The fourth proportional to 374,303,130.30, 561,492,214.65 and 128,627,408.70 is: 192,954,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,303,130.30 : 561,492,214.65 = 128,627,408.70 : x
  2. Step 2: Convert to fraction form
    374,303,130.30/561,492,214.65 = 128,627,408.70/x
  3. Step 3: Cross multiply
    374,303,130.30x = 561,492,214.65 × 128,627,408.70
  4. Step 4: Simplify right side
    374,303,130.30x = 72,223,288,575,653,680
  5. Step 5: Solve for x
    x = 72,223,288,575,653,680/374,303,130.30
  6. Step 6: Final answer
    x = 192,954,006.34

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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.