Home / 93,438,035.20-140,157,052.80-55,142,790.40

Finding the Fourth Proportional to 93,438,035.20, 140,157,052.80 and 55,142,790.40

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Solution

The fourth proportional to 93,438,035.20, 140,157,052.80 and 55,142,790.40 is: 82,714,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438,035.20 : 140,157,052.80 = 55,142,790.40 : x
  2. Step 2: Convert to fraction form
    93,438,035.20/140,157,052.80 = 55,142,790.40/x
  3. Step 3: Cross multiply
    93,438,035.20x = 140,157,052.80 × 55,142,790.40
  4. Step 4: Simplify right side
    93,438,035.20x = 7,728,650,985,632,134
  5. Step 5: Solve for x
    x = 7,728,650,985,632,134/93,438,035.20
  6. Step 6: Final answer
    x = 82,714,185.60

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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.