Home / 148,832,886.78-205,343,222.31-86,908,555.26

Finding the Fourth Proportional to 148,832,886.78, 205,343,222.31 and 86,908,555.26

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Solution

The fourth proportional to 148,832,886.78, 205,343,222.31 and 86,908,555.26 is: 119,906,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,832,886.78 : 205,343,222.31 = 86,908,555.26 : x
  2. Step 2: Convert to fraction form
    148,832,886.78/205,343,222.31 = 86,908,555.26/x
  3. Step 3: Cross multiply
    148,832,886.78x = 205,343,222.31 × 86,908,555.26
  4. Step 4: Simplify right side
    148,832,886.78x = 17,846,082,783,395,102
  5. Step 5: Solve for x
    x = 17,846,082,783,395,102/148,832,886.78
  6. Step 6: Final answer
    x = 119,906,851.03

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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.