Home / 66,720,162.33-92,071,133.87-38,843,674.79

Finding the Fourth Proportional to 66,720,162.33, 92,071,133.87 and 38,843,674.79

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Solution

The fourth proportional to 66,720,162.33, 92,071,133.87 and 38,843,674.79 is: 53,602,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,720,162.33 : 92,071,133.87 = 38,843,674.79 : x
  2. Step 2: Convert to fraction form
    66,720,162.33/92,071,133.87 = 38,843,674.79/x
  3. Step 3: Cross multiply
    66,720,162.33x = 92,071,133.87 × 38,843,674.79
  4. Step 4: Simplify right side
    66,720,162.33x = 3,576,381,180,938,259.50
  5. Step 5: Solve for x
    x = 3,576,381,180,938,259.50/66,720,162.33
  6. Step 6: Final answer
    x = 53,602,705.03

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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.