Home / 288,683,999.60-433,025,999.40-73,273,247.60

Finding the Fourth Proportional to 288,683,999.60, 433,025,999.40 and 73,273,247.60

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Solution

The fourth proportional to 288,683,999.60, 433,025,999.40 and 73,273,247.60 is: 109,909,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,683,999.60 : 433,025,999.40 = 73,273,247.60 : x
  2. Step 2: Convert to fraction form
    288,683,999.60/433,025,999.40 = 73,273,247.60/x
  3. Step 3: Cross multiply
    288,683,999.60x = 433,025,999.40 × 73,273,247.60
  4. Step 4: Simplify right side
    288,683,999.60x = 31,729,221,271,273,648
  5. Step 5: Solve for x
    x = 31,729,221,271,273,648/288,683,999.60
  6. Step 6: Final answer
    x = 109,909,871.40

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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.