Home / 51,028,341.12-70,420,272.48-28,998,369.36

Finding the Fourth Proportional to 51,028,341.12, 70,420,272.48 and 28,998,369.36

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Solution

The fourth proportional to 51,028,341.12, 70,420,272.48 and 28,998,369.36 is: 40,018,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028,341.12 : 70,420,272.48 = 28,998,369.36 : x
  2. Step 2: Convert to fraction form
    51,028,341.12/70,420,272.48 = 28,998,369.36/x
  3. Step 3: Cross multiply
    51,028,341.12x = 70,420,272.48 × 28,998,369.36
  4. Step 4: Simplify right side
    51,028,341.12x = 2,042,073,071,806,883.25
  5. Step 5: Solve for x
    x = 2,042,073,071,806,883.25/51,028,341.12
  6. Step 6: Final answer
    x = 40,018,409.91

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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.