Home / 54,434,102.40-81,772,804.80-45,476,150.40

Finding the Fourth Proportional to 54,434,102.40, 81,772,804.80 and 45,476,150.40

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Solution

The fourth proportional to 54,434,102.40, 81,772,804.80 and 45,476,150.40 is: 68,315,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434,102.40 : 81,772,804.80 = 45,476,150.40 : x
  2. Step 2: Convert to fraction form
    54,434,102.40/81,772,804.80 = 45,476,150.40/x
  3. Step 3: Cross multiply
    54,434,102.40x = 81,772,804.80 × 45,476,150.40
  4. Step 4: Simplify right side
    54,434,102.40x = 3,718,712,369,714,641.50
  5. Step 5: Solve for x
    x = 3,718,712,369,714,641.50/54,434,102.40
  6. Step 6: Final answer
    x = 68,315,857.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.