Home / 209,831,264.20-314,770,515.90-64,263,669.40

Finding the Fourth Proportional to 209,831,264.20, 314,770,515.90 and 64,263,669.40

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Solution

The fourth proportional to 209,831,264.20, 314,770,515.90 and 64,263,669.40 is: 96,402,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,831,264.20 : 314,770,515.90 = 64,263,669.40 : x
  2. Step 2: Convert to fraction form
    209,831,264.20/314,770,515.90 = 64,263,669.40/x
  3. Step 3: Cross multiply
    209,831,264.20x = 314,770,515.90 × 64,263,669.40
  4. Step 4: Simplify right side
    209,831,264.20x = 20,228,308,370,665,040
  5. Step 5: Solve for x
    x = 20,228,308,370,665,040/209,831,264.20
  6. Step 6: Final answer
    x = 96,402,737.92

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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.