Home / 158,646,321.84-237,980,414.76-66,437,218.80

Finding the Fourth Proportional to 158,646,321.84, 237,980,414.76 and 66,437,218.80

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Solution

The fourth proportional to 158,646,321.84, 237,980,414.76 and 66,437,218.80 is: 99,660,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,646,321.84 : 237,980,414.76 = 66,437,218.80 : x
  2. Step 2: Convert to fraction form
    158,646,321.84/237,980,414.76 = 66,437,218.80/x
  3. Step 3: Cross multiply
    158,646,321.84x = 237,980,414.76 × 66,437,218.80
  4. Step 4: Simplify right side
    158,646,321.84x = 15,810,756,885,524,868
  5. Step 5: Solve for x
    x = 15,810,756,885,524,868/158,646,321.84
  6. Step 6: Final answer
    x = 99,660,406.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.