Home / 123,767,339.76-170,804,242.80-68,763,196.08

Finding the Fourth Proportional to 123,767,339.76, 170,804,242.80 and 68,763,196.08

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Solution

The fourth proportional to 123,767,339.76, 170,804,242.80 and 68,763,196.08 is: 94,896,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,767,339.76 : 170,804,242.80 = 68,763,196.08 : x
  2. Step 2: Convert to fraction form
    123,767,339.76/170,804,242.80 = 68,763,196.08/x
  3. Step 3: Cross multiply
    123,767,339.76x = 170,804,242.80 × 68,763,196.08
  4. Step 4: Simplify right side
    123,767,339.76x = 11,745,045,638,952,328
  5. Step 5: Solve for x
    x = 11,745,045,638,952,328/123,767,339.76
  6. Step 6: Final answer
    x = 94,896,162.93

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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.