Home / 253,368,200.40-380,052,300.60-156,008,209.20

Finding the Fourth Proportional to 253,368,200.40, 380,052,300.60 and 156,008,209.20

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Solution

The fourth proportional to 253,368,200.40, 380,052,300.60 and 156,008,209.20 is: 234,012,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,368,200.40 : 380,052,300.60 = 156,008,209.20 : x
  2. Step 2: Convert to fraction form
    253,368,200.40/380,052,300.60 = 156,008,209.20/x
  3. Step 3: Cross multiply
    253,368,200.40x = 380,052,300.60 × 156,008,209.20
  4. Step 4: Simplify right side
    253,368,200.40x = 59,291,278,818,946,088
  5. Step 5: Solve for x
    x = 59,291,278,818,946,088/253,368,200.40
  6. Step 6: Final answer
    x = 234,012,313.80

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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.