Home / 149,185,119.74-205,881,814.40-83,105,538.03

Finding the Fourth Proportional to 149,185,119.74, 205,881,814.40 and 83,105,538.03

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Solution

The fourth proportional to 149,185,119.74, 205,881,814.40 and 83,105,538.03 is: 114,689,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,185,119.74 : 205,881,814.40 = 83,105,538.03 : x
  2. Step 2: Convert to fraction form
    149,185,119.74/205,881,814.40 = 83,105,538.03/x
  3. Step 3: Cross multiply
    149,185,119.74x = 205,881,814.40 × 83,105,538.03
  4. Step 4: Simplify right side
    149,185,119.74x = 17,109,918,955,889,076
  5. Step 5: Solve for x
    x = 17,109,918,955,889,076/149,185,119.74
  6. Step 6: Final answer
    x = 114,689,179.37

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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.