Home / 123,862,032.33-170,934,529.75-68,112,023.42

Finding the Fourth Proportional to 123,862,032.33, 170,934,529.75 and 68,112,023.42

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Solution

The fourth proportional to 123,862,032.33, 170,934,529.75 and 68,112,023.42 is: 93,997,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862,032.33 : 170,934,529.75 = 68,112,023.42 : x
  2. Step 2: Convert to fraction form
    123,862,032.33/170,934,529.75 = 68,112,023.42/x
  3. Step 3: Cross multiply
    123,862,032.33x = 170,934,529.75 × 68,112,023.42
  4. Step 4: Simplify right side
    123,862,032.33x = 11,642,696,693,618,688
  5. Step 5: Solve for x
    x = 11,642,696,693,618,688/123,862,032.33
  6. Step 6: Final answer
    x = 93,997,300.66

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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.