Home / 142,083,650.80-196,075,435.16-76,893,554.16

Finding the Fourth Proportional to 142,083,650.80, 196,075,435.16 and 76,893,554.16

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Solution

The fourth proportional to 142,083,650.80, 196,075,435.16 and 76,893,554.16 is: 106,113,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,083,650.80 : 196,075,435.16 = 76,893,554.16 : x
  2. Step 2: Convert to fraction form
    142,083,650.80/196,075,435.16 = 76,893,554.16/x
  3. Step 3: Cross multiply
    142,083,650.80x = 196,075,435.16 × 76,893,554.16
  4. Step 4: Simplify right side
    142,083,650.80x = 15,076,937,092,921,028
  5. Step 5: Solve for x
    x = 15,076,937,092,921,028/142,083,650.80
  6. Step 6: Final answer
    x = 106,113,103.15

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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.