Home / 127,552,075.35-176,027,438.21-71,801,093.22

Finding the Fourth Proportional to 127,552,075.35, 176,027,438.21 and 71,801,093.22

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Solution

The fourth proportional to 127,552,075.35, 176,027,438.21 and 71,801,093.22 is: 99,088,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,552,075.35 : 176,027,438.21 = 71,801,093.22 : x
  2. Step 2: Convert to fraction form
    127,552,075.35/176,027,438.21 = 71,801,093.22/x
  3. Step 3: Cross multiply
    127,552,075.35x = 176,027,438.21 × 71,801,093.22
  4. Step 4: Simplify right side
    127,552,075.35x = 12,638,962,500,194,000
  5. Step 5: Solve for x
    x = 12,638,962,500,194,000/127,552,075.35
  6. Step 6: Final answer
    x = 99,088,646.46

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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.