Home / 164,039,903.40-246,059,855.10-87,323,442.60

Finding the Fourth Proportional to 164,039,903.40, 246,059,855.10 and 87,323,442.60

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Solution

The fourth proportional to 164,039,903.40, 246,059,855.10 and 87,323,442.60 is: 130,985,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,039,903.40 : 246,059,855.10 = 87,323,442.60 : x
  2. Step 2: Convert to fraction form
    164,039,903.40/246,059,855.10 = 87,323,442.60/x
  3. Step 3: Cross multiply
    164,039,903.40x = 246,059,855.10 × 87,323,442.60
  4. Step 4: Simplify right side
    164,039,903.40x = 21,486,793,632,989,164
  5. Step 5: Solve for x
    x = 21,486,793,632,989,164/164,039,903.40
  6. Step 6: Final answer
    x = 130,985,163.90

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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.