Home / 262,116,465.60-393,426,640.80-132,870,014.40

Finding the Fourth Proportional to 262,116,465.60, 393,426,640.80 and 132,870,014.40

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Solution

The fourth proportional to 262,116,465.60, 393,426,640.80 and 132,870,014.40 is: 199,432,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,116,465.60 : 393,426,640.80 = 132,870,014.40 : x
  2. Step 2: Convert to fraction form
    262,116,465.60/393,426,640.80 = 132,870,014.40/x
  3. Step 3: Cross multiply
    262,116,465.60x = 393,426,640.80 × 132,870,014.40
  4. Step 4: Simplify right side
    262,116,465.60x = 52,274,603,428,439,632
  5. Step 5: Solve for x
    x = 52,274,603,428,439,632/262,116,465.60
  6. Step 6: Final answer
    x = 199,432,734.26

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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.