Home / 123,862,060.68-170,934,568.80-68,112,051.78

Finding the Fourth Proportional to 123,862,060.68, 170,934,568.80 and 68,112,051.78

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Solution

The fourth proportional to 123,862,060.68, 170,934,568.80 and 68,112,051.78 is: 93,997,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862,060.68 : 170,934,568.80 = 68,112,051.78 : x
  2. Step 2: Convert to fraction form
    123,862,060.68/170,934,568.80 = 68,112,051.78/x
  3. Step 3: Cross multiply
    123,862,060.68x = 170,934,568.80 × 68,112,051.78
  4. Step 4: Simplify right side
    123,862,060.68x = 11,642,704,201,097,574
  5. Step 5: Solve for x
    x = 11,642,704,201,097,574/123,862,060.68
  6. Step 6: Final answer
    x = 93,997,339.76

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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.