Home / 137,155,611.67-189,275,239.64-74,431,696.01

Finding the Fourth Proportional to 137,155,611.67, 189,275,239.64 and 74,431,696.01

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Solution

The fourth proportional to 137,155,611.67, 189,275,239.64 and 74,431,696.01 is: 102,716,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,155,611.67 : 189,275,239.64 = 74,431,696.01 : x
  2. Step 2: Convert to fraction form
    137,155,611.67/189,275,239.64 = 74,431,696.01/x
  3. Step 3: Cross multiply
    137,155,611.67x = 189,275,239.64 × 74,431,696.01
  4. Step 4: Simplify right side
    137,155,611.67x = 14,088,077,099,104,382
  5. Step 5: Solve for x
    x = 14,088,077,099,104,382/137,155,611.67
  6. Step 6: Final answer
    x = 102,716,009.41

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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.