Home / 190,994,292.78-286,562,377.68-132,671,240.10

Finding the Fourth Proportional to 190,994,292.78, 286,562,377.68 and 132,671,240.10

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Solution

The fourth proportional to 190,994,292.78, 286,562,377.68 and 132,671,240.10 is: 199,056,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,994,292.78 : 286,562,377.68 = 132,671,240.10 : x
  2. Step 2: Convert to fraction form
    190,994,292.78/286,562,377.68 = 132,671,240.10/x
  3. Step 3: Cross multiply
    190,994,292.78x = 286,562,377.68 × 132,671,240.10
  4. Step 4: Simplify right side
    190,994,292.78x = 38,018,586,012,810,160
  5. Step 5: Solve for x
    x = 38,018,586,012,810,160/190,994,292.78
  6. Step 6: Final answer
    x = 199,056,136.49

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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.