Home / 164,989,611.40-247,484,417.10-162,438,694.60

Finding the Fourth Proportional to 164,989,611.40, 247,484,417.10 and 162,438,694.60

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Solution

The fourth proportional to 164,989,611.40, 247,484,417.10 and 162,438,694.60 is: 243,658,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,989,611.40 : 247,484,417.10 = 162,438,694.60 : x
  2. Step 2: Convert to fraction form
    164,989,611.40/247,484,417.10 = 162,438,694.60/x
  3. Step 3: Cross multiply
    164,989,611.40x = 247,484,417.10 × 162,438,694.60
  4. Step 4: Simplify right side
    164,989,611.40x = 40,201,045,647,565,912
  5. Step 5: Solve for x
    x = 40,201,045,647,565,912/164,989,611.40
  6. Step 6: Final answer
    x = 243,658,041.90

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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.