Home / 256,961,511.84-354,607,339.60-139,486,923.44

Finding the Fourth Proportional to 256,961,511.84, 354,607,339.60 and 139,486,923.44

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Solution

The fourth proportional to 256,961,511.84, 354,607,339.60 and 139,486,923.44 is: 192,492,200.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,961,511.84 : 354,607,339.60 = 139,486,923.44 : x
  2. Step 2: Convert to fraction form
    256,961,511.84/354,607,339.60 = 139,486,923.44/x
  3. Step 3: Cross multiply
    256,961,511.84x = 354,607,339.60 × 139,486,923.44
  4. Step 4: Simplify right side
    256,961,511.84x = 49,463,086,830,047,280
  5. Step 5: Solve for x
    x = 49,463,086,830,047,280/256,961,511.84
  6. Step 6: Final answer
    x = 192,492,200.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.