Home / 93,438,220.20-140,157,330.30-55,142,975.40

Finding the Fourth Proportional to 93,438,220.20, 140,157,330.30 and 55,142,975.40

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Solution

The fourth proportional to 93,438,220.20, 140,157,330.30 and 55,142,975.40 is: 82,714,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438,220.20 : 140,157,330.30 = 55,142,975.40 : x
  2. Step 2: Convert to fraction form
    93,438,220.20/140,157,330.30 = 55,142,975.40/x
  3. Step 3: Cross multiply
    93,438,220.20x = 140,157,330.30 × 55,142,975.40
  4. Step 4: Simplify right side
    93,438,220.20x = 7,728,692,216,862,575
  5. Step 5: Solve for x
    x = 7,728,692,216,862,575/93,438,220.20
  6. Step 6: Final answer
    x = 82,714,463.10

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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.