Home / 89,566,587.09-123,554,485.02-61,640,815.23

Finding the Fourth Proportional to 89,566,587.09, 123,554,485.02 and 61,640,815.23

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Solution

The fourth proportional to 89,566,587.09, 123,554,485.02 and 61,640,815.23 is: 85,031,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,566,587.09 : 123,554,485.02 = 61,640,815.23 : x
  2. Step 2: Convert to fraction form
    89,566,587.09/123,554,485.02 = 61,640,815.23/x
  3. Step 3: Cross multiply
    89,566,587.09x = 123,554,485.02 × 61,640,815.23
  4. Step 4: Simplify right side
    89,566,587.09x = 7,615,999,181,955,622
  5. Step 5: Solve for x
    x = 7,615,999,181,955,622/89,566,587.09
  6. Step 6: Final answer
    x = 85,031,700.21

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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.