Home / 149,581,147.69-204,925,216.53-143,987,507.45

Finding the Fourth Proportional to 149,581,147.69, 204,925,216.53 and 143,987,507.45

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Solution

The fourth proportional to 149,581,147.69, 204,925,216.53 and 143,987,507.45 is: 197,261,965.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,581,147.69 : 204,925,216.53 = 143,987,507.45 : x
  2. Step 2: Convert to fraction form
    149,581,147.69/204,925,216.53 = 143,987,507.45/x
  3. Step 3: Cross multiply
    149,581,147.69x = 204,925,216.53 × 143,987,507.45
  4. Step 4: Simplify right side
    149,581,147.69x = 29,506,671,141,806,236
  5. Step 5: Solve for x
    x = 29,506,671,141,806,236/149,581,147.69
  6. Step 6: Final answer
    x = 197,261,965.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.