Home / 270,312,547.44-405,507,661.92-83,581,041.84

Finding the Fourth Proportional to 270,312,547.44, 405,507,661.92 and 83,581,041.84

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Solution

The fourth proportional to 270,312,547.44, 405,507,661.92 and 83,581,041.84 is: 125,383,572.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,312,547.44 : 405,507,661.92 = 83,581,041.84 : x
  2. Step 2: Convert to fraction form
    270,312,547.44/405,507,661.92 = 83,581,041.84/x
  3. Step 3: Cross multiply
    270,312,547.44x = 405,507,661.92 × 83,581,041.84
  4. Step 4: Simplify right side
    270,312,547.44x = 33,892,752,857,376,096
  5. Step 5: Solve for x
    x = 33,892,752,857,376,096/270,312,547.44
  6. Step 6: Final answer
    x = 125,383,572.38

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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.