Home / 101,968,814.80-140,715,186.12-55,559,452.24

Finding the Fourth Proportional to 101,968,814.80, 140,715,186.12 and 55,559,452.24

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Solution

The fourth proportional to 101,968,814.80, 140,715,186.12 and 55,559,452.24 is: 76,671,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,968,814.80 : 140,715,186.12 = 55,559,452.24 : x
  2. Step 2: Convert to fraction form
    101,968,814.80/140,715,186.12 = 55,559,452.24/x
  3. Step 3: Cross multiply
    101,968,814.80x = 140,715,186.12 × 55,559,452.24
  4. Step 4: Simplify right side
    101,968,814.80x = 7,818,058,662,676,851
  5. Step 5: Solve for x
    x = 7,818,058,662,676,851/101,968,814.80
  6. Step 6: Final answer
    x = 76,671,075.15

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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.