Home / 268,100,935.20-402,151,402.80-166,064,263.20

Finding the Fourth Proportional to 268,100,935.20, 402,151,402.80 and 166,064,263.20

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Solution

The fourth proportional to 268,100,935.20, 402,151,402.80 and 166,064,263.20 is: 249,096,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,100,935.20 : 402,151,402.80 = 166,064,263.20 : x
  2. Step 2: Convert to fraction form
    268,100,935.20/402,151,402.80 = 166,064,263.20/x
  3. Step 3: Cross multiply
    268,100,935.20x = 402,151,402.80 × 166,064,263.20
  4. Step 4: Simplify right side
    268,100,935.20x = 66,782,976,400,828,416
  5. Step 5: Solve for x
    x = 66,782,976,400,828,416/268,100,935.20
  6. Step 6: Final answer
    x = 249,096,394.80

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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.