Home / 33,153,707.31-45,420,741.05-31,911,115.50

Finding the Fourth Proportional to 33,153,707.31, 45,420,741.05 and 31,911,115.50

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Solution

The fourth proportional to 33,153,707.31, 45,420,741.05 and 31,911,115.50 is: 43,718,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153,707.31 : 45,420,741.05 = 31,911,115.50 : x
  2. Step 2: Convert to fraction form
    33,153,707.31/45,420,741.05 = 31,911,115.50/x
  3. Step 3: Cross multiply
    33,153,707.31x = 45,420,741.05 × 31,911,115.50
  4. Step 4: Simplify right side
    33,153,707.31x = 1,449,426,513,582,585.75
  5. Step 5: Solve for x
    x = 1,449,426,513,582,585.75/33,153,707.31
  6. Step 6: Final answer
    x = 43,718,384.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.