Home / 54,161,577.81-74,742,977.39-30,957,203.00

Finding the Fourth Proportional to 54,161,577.81, 74,742,977.39 and 30,957,203.00

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Solution

The fourth proportional to 54,161,577.81, 74,742,977.39 and 30,957,203.00 is: 42,720,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161,577.81 : 74,742,977.39 = 30,957,203.00 : x
  2. Step 2: Convert to fraction form
    54,161,577.81/74,742,977.39 = 30,957,203.00/x
  3. Step 3: Cross multiply
    54,161,577.81x = 74,742,977.39 × 30,957,203.00
  4. Step 4: Simplify right side
    54,161,577.81x = 2,313,833,523,918,712
  5. Step 5: Solve for x
    x = 2,313,833,523,918,712/54,161,577.81
  6. Step 6: Final answer
    x = 42,720,940.15

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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.