Home / 172,854,006.40-259,281,009.60-142,994,166.40

Finding the Fourth Proportional to 172,854,006.40, 259,281,009.60 and 142,994,166.40

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Solution

The fourth proportional to 172,854,006.40, 259,281,009.60 and 142,994,166.40 is: 214,491,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854,006.40 : 259,281,009.60 = 142,994,166.40 : x
  2. Step 2: Convert to fraction form
    172,854,006.40/259,281,009.60 = 142,994,166.40/x
  3. Step 3: Cross multiply
    172,854,006.40x = 259,281,009.60 × 142,994,166.40
  4. Step 4: Simplify right side
    172,854,006.40x = 37,075,671,831,102,400
  5. Step 5: Solve for x
    x = 37,075,671,831,102,400/172,854,006.40
  6. Step 6: Final answer
    x = 214,491,249.60

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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.