Home / 54,316,840.32-74,955,744.90-29,870,554.32

Finding the Fourth Proportional to 54,316,840.32, 74,955,744.90 and 29,870,554.32

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Solution

The fourth proportional to 54,316,840.32, 74,955,744.90 and 29,870,554.32 is: 41,220,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316,840.32 : 74,955,744.90 = 29,870,554.32 : x
  2. Step 2: Convert to fraction form
    54,316,840.32/74,955,744.90 = 29,870,554.32/x
  3. Step 3: Cross multiply
    54,316,840.32x = 74,955,744.90 × 29,870,554.32
  4. Step 4: Simplify right side
    54,316,840.32x = 2,238,969,649,631,513.25
  5. Step 5: Solve for x
    x = 2,238,969,649,631,513.25/54,316,840.32
  6. Step 6: Final answer
    x = 41,220,542.96

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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.