Home / 54,445,411.40-75,139,962.54-40,670,460.68

Finding the Fourth Proportional to 54,445,411.40, 75,139,962.54 and 40,670,460.68

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Solution

The fourth proportional to 54,445,411.40, 75,139,962.54 and 40,670,460.68 is: 56,129,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445,411.40 : 75,139,962.54 = 40,670,460.68 : x
  2. Step 2: Convert to fraction form
    54,445,411.40/75,139,962.54 = 40,670,460.68/x
  3. Step 3: Cross multiply
    54,445,411.40x = 75,139,962.54 × 40,670,460.68
  4. Step 4: Simplify right side
    54,445,411.40x = 3,055,976,891,979,743
  5. Step 5: Solve for x
    x = 3,055,976,891,979,743/54,445,411.40
  6. Step 6: Final answer
    x = 56,129,190.93

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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.