Home / 82,758,727.68-114,201,147.02-49,266,430.16

Finding the Fourth Proportional to 82,758,727.68, 114,201,147.02 and 49,266,430.16

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Solution

The fourth proportional to 82,758,727.68, 114,201,147.02 and 49,266,430.16 is: 67,984,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758,727.68 : 114,201,147.02 = 49,266,430.16 : x
  2. Step 2: Convert to fraction form
    82,758,727.68/114,201,147.02 = 49,266,430.16/x
  3. Step 3: Cross multiply
    82,758,727.68x = 114,201,147.02 × 49,266,430.16
  4. Step 4: Simplify right side
    82,758,727.68x = 5,626,282,833,852,722
  5. Step 5: Solve for x
    x = 5,626,282,833,852,722/82,758,727.68
  6. Step 6: Final answer
    x = 67,984,163.02

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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.