Home / 111,534,043.54-153,869,236.29-69,645,386.43

Finding the Fourth Proportional to 111,534,043.54, 153,869,236.29 and 69,645,386.43

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Solution

The fourth proportional to 111,534,043.54, 153,869,236.29 and 69,645,386.43 is: 96,080,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534,043.54 : 153,869,236.29 = 69,645,386.43 : x
  2. Step 2: Convert to fraction form
    111,534,043.54/153,869,236.29 = 69,645,386.43/x
  3. Step 3: Cross multiply
    111,534,043.54x = 153,869,236.29 × 69,645,386.43
  4. Step 4: Simplify right side
    111,534,043.54x = 10,716,282,421,106,030
  5. Step 5: Solve for x
    x = 10,716,282,421,106,030/111,534,043.54
  6. Step 6: Final answer
    x = 96,080,820.54

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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.