Home / 173,815,343.40-260,723,015.10-66,095,970.60

Finding the Fourth Proportional to 173,815,343.40, 260,723,015.10 and 66,095,970.60

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Solution

The fourth proportional to 173,815,343.40, 260,723,015.10 and 66,095,970.60 is: 99,143,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,815,343.40 : 260,723,015.10 = 66,095,970.60 : x
  2. Step 2: Convert to fraction form
    173,815,343.40/260,723,015.10 = 66,095,970.60/x
  3. Step 3: Cross multiply
    173,815,343.40x = 260,723,015.10 × 66,095,970.60
  4. Step 4: Simplify right side
    173,815,343.40x = 17,232,740,740,792,956
  5. Step 5: Solve for x
    x = 17,232,740,740,792,956/173,815,343.40
  6. Step 6: Final answer
    x = 99,143,955.90

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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.