Home / 99,640,025.55-149,460,038.33-72,430,246.35

Finding the Fourth Proportional to 99,640,025.55, 149,460,038.33 and 72,430,246.35

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Solution

The fourth proportional to 99,640,025.55, 149,460,038.33 and 72,430,246.35 is: 108,645,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,640,025.55 : 149,460,038.33 = 72,430,246.35 : x
  2. Step 2: Convert to fraction form
    99,640,025.55/149,460,038.33 = 72,430,246.35/x
  3. Step 3: Cross multiply
    99,640,025.55x = 149,460,038.33 × 72,430,246.35
  4. Step 4: Simplify right side
    99,640,025.55x = 10,825,427,395,360,190
  5. Step 5: Solve for x
    x = 10,825,427,395,360,190/99,640,025.55
  6. Step 6: Final answer
    x = 108,645,369.53

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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.