Home / 70,883,611.60-106,165,985.10-42,185,797.60

Finding the Fourth Proportional to 70,883,611.60, 106,165,985.10 and 42,185,797.60

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Solution

The fourth proportional to 70,883,611.60, 106,165,985.10 and 42,185,797.60 is: 63,183,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883,611.60 : 106,165,985.10 = 42,185,797.60 : x
  2. Step 2: Convert to fraction form
    70,883,611.60/106,165,985.10 = 42,185,797.60/x
  3. Step 3: Cross multiply
    70,883,611.60x = 106,165,985.10 × 42,185,797.60
  4. Step 4: Simplify right side
    70,883,611.60x = 4,478,696,759,433,215.50
  5. Step 5: Solve for x
    x = 4,478,696,759,433,215.50/70,883,611.60
  6. Step 6: Final answer
    x = 63,183,811.58

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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.