Home / 123,098,153.80-169,860,652.48-70,904,164.36

Finding the Fourth Proportional to 123,098,153.80, 169,860,652.48 and 70,904,164.36

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Solution

The fourth proportional to 123,098,153.80, 169,860,652.48 and 70,904,164.36 is: 97,839,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,098,153.80 : 169,860,652.48 = 70,904,164.36 : x
  2. Step 2: Convert to fraction form
    123,098,153.80/169,860,652.48 = 70,904,164.36/x
  3. Step 3: Cross multiply
    123,098,153.80x = 169,860,652.48 × 70,904,164.36
  4. Step 4: Simplify right side
    123,098,153.80x = 12,043,827,621,738,760
  5. Step 5: Solve for x
    x = 12,043,827,621,738,760/123,098,153.80
  6. Step 6: Final answer
    x = 97,839,222.20

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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.