Home / 103,611,603,828.40-155,417,405,742.60-96,173,130,439.60

Finding the Fourth Proportional to 103,611,603,828.40, 155,417,405,742.60 and 96,173,130,439.60

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Solution

The fourth proportional to 103,611,603,828.40, 155,417,405,742.60 and 96,173,130,439.60 is: 144,259,695,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,611,603,828.40 : 155,417,405,742.60 = 96,173,130,439.60 : x
  2. Step 2: Convert to fraction form
    103,611,603,828.40/155,417,405,742.60 = 96,173,130,439.60/x
  3. Step 3: Cross multiply
    103,611,603,828.40x = 155,417,405,742.60 × 96,173,130,439.60
  4. Step 4: Simplify right side
    103,611,603,828.40x = 14,946,978,435,067,308,670,976
  5. Step 5: Solve for x
    x = 14,946,978,435,067,308,670,976/103,611,603,828.40
  6. Step 6: Final answer
    x = 144,259,695,659.40

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1.5x scale

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.