Home / 205,127,912.88-283,065,307.32-112,290,462.72

Finding the Fourth Proportional to 205,127,912.88, 283,065,307.32 and 112,290,462.72

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Solution

The fourth proportional to 205,127,912.88, 283,065,307.32 and 112,290,462.72 is: 154,954,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,127,912.88 : 283,065,307.32 = 112,290,462.72 : x
  2. Step 2: Convert to fraction form
    205,127,912.88/283,065,307.32 = 112,290,462.72/x
  3. Step 3: Cross multiply
    205,127,912.88x = 283,065,307.32 × 112,290,462.72
  4. Step 4: Simplify right side
    205,127,912.88x = 31,785,534,338,941,800
  5. Step 5: Solve for x
    x = 31,785,534,338,941,800/205,127,912.88
  6. Step 6: Final answer
    x = 154,954,700.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.