Home / 125,395,671.60-173,071,485.06-72,474,627.24

Finding the Fourth Proportional to 125,395,671.60, 173,071,485.06 and 72,474,627.24

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Solution

The fourth proportional to 125,395,671.60, 173,071,485.06 and 72,474,627.24 is: 100,029,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,395,671.60 : 173,071,485.06 = 72,474,627.24 : x
  2. Step 2: Convert to fraction form
    125,395,671.60/173,071,485.06 = 72,474,627.24/x
  3. Step 3: Cross multiply
    125,395,671.60x = 173,071,485.06 × 72,474,627.24
  4. Step 4: Simplify right side
    125,395,671.60x = 12,543,291,365,596,728
  5. Step 5: Solve for x
    x = 12,543,291,365,596,728/125,395,671.60
  6. Step 6: Final answer
    x = 100,029,699.63

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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.