Home / 262,942,465.20-393,657,870.60-160,905,793.20

Finding the Fourth Proportional to 262,942,465.20, 393,657,870.60 and 160,905,793.20

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Solution

The fourth proportional to 262,942,465.20, 393,657,870.60 and 160,905,793.20 is: 240,896,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,942,465.20 : 393,657,870.60 = 160,905,793.20 : x
  2. Step 2: Convert to fraction form
    262,942,465.20/393,657,870.60 = 160,905,793.20/x
  3. Step 3: Cross multiply
    262,942,465.20x = 393,657,870.60 × 160,905,793.20
  4. Step 4: Simplify right side
    262,942,465.20x = 63,341,831,918,315,960
  5. Step 5: Solve for x
    x = 63,341,831,918,315,960/262,942,465.20
  6. Step 6: Final answer
    x = 240,896,166.66

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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.