Home / 54,161,574.04-74,742,972.17-30,957,199.23

Finding the Fourth Proportional to 54,161,574.04, 74,742,972.17 and 30,957,199.23

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Solution

The fourth proportional to 54,161,574.04, 74,742,972.17 and 30,957,199.23 is: 42,720,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161,574.04 : 74,742,972.17 = 30,957,199.23 : x
  2. Step 2: Convert to fraction form
    54,161,574.04/74,742,972.17 = 30,957,199.23/x
  3. Step 3: Cross multiply
    54,161,574.04x = 74,742,972.17 × 30,957,199.23
  4. Step 4: Simplify right side
    54,161,574.04x = 2,313,833,080,509,035.50
  5. Step 5: Solve for x
    x = 2,313,833,080,509,035.50/54,161,574.04
  6. Step 6: Final answer
    x = 42,720,934.93

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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.