Home / 53,650,634.32-74,033,654.16-30,445,761.05

Finding the Fourth Proportional to 53,650,634.32, 74,033,654.16 and 30,445,761.05

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Solution

The fourth proportional to 53,650,634.32, 74,033,654.16 and 30,445,761.05 is: 42,012,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650,634.32 : 74,033,654.16 = 30,445,761.05 : x
  2. Step 2: Convert to fraction form
    53,650,634.32/74,033,654.16 = 30,445,761.05/x
  3. Step 3: Cross multiply
    53,650,634.32x = 74,033,654.16 × 30,445,761.05
  4. Step 4: Simplify right side
    53,650,634.32x = 2,254,010,944,213,698.50
  5. Step 5: Solve for x
    x = 2,254,010,944,213,698.50/53,650,634.32
  6. Step 6: Final answer
    x = 42,012,754.79

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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.