Home / 111,083,045.23-153,285,504.85-63,398,064.47

Finding the Fourth Proportional to 111,083,045.23, 153,285,504.85 and 63,398,064.47

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Solution

The fourth proportional to 111,083,045.23, 153,285,504.85 and 63,398,064.47 is: 87,484,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,083,045.23 : 153,285,504.85 = 63,398,064.47 : x
  2. Step 2: Convert to fraction form
    111,083,045.23/153,285,504.85 = 63,398,064.47/x
  3. Step 3: Cross multiply
    111,083,045.23x = 153,285,504.85 × 63,398,064.47
  4. Step 4: Simplify right side
    111,083,045.23x = 9,718,004,318,796,798
  5. Step 5: Solve for x
    x = 9,718,004,318,796,798/111,083,045.23
  6. Step 6: Final answer
    x = 87,484,136.74

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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.