Home / 123,249,186.96-170,081,799.48-68,243,862.48

Finding the Fourth Proportional to 123,249,186.96, 170,081,799.48 and 68,243,862.48

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Solution

The fourth proportional to 123,249,186.96, 170,081,799.48 and 68,243,862.48 is: 94,175,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,249,186.96 : 170,081,799.48 = 68,243,862.48 : x
  2. Step 2: Convert to fraction form
    123,249,186.96/170,081,799.48 = 68,243,862.48/x
  3. Step 3: Cross multiply
    123,249,186.96x = 170,081,799.48 × 68,243,862.48
  4. Step 4: Simplify right side
    123,249,186.96x = 11,607,038,934,064,056
  5. Step 5: Solve for x
    x = 11,607,038,934,064,056/123,249,186.96
  6. Step 6: Final answer
    x = 94,175,379.33

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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.