Home / 164,068,445.40-246,084,005.70-42,912,144.60

Finding the Fourth Proportional to 164,068,445.40, 246,084,005.70 and 42,912,144.60

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Solution

The fourth proportional to 164,068,445.40, 246,084,005.70 and 42,912,144.60 is: 64,363,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,068,445.40 : 246,084,005.70 = 42,912,144.60 : x
  2. Step 2: Convert to fraction form
    164,068,445.40/246,084,005.70 = 42,912,144.60/x
  3. Step 3: Cross multiply
    164,068,445.40x = 246,084,005.70 × 42,912,144.60
  4. Step 4: Simplify right side
    164,068,445.40x = 10,559,992,436,345,624
  5. Step 5: Solve for x
    x = 10,559,992,436,345,624/164,068,445.40
  6. Step 6: Final answer
    x = 64,363,335.74

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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.