Home / 144,485,338.50-199,389,767.13-86,538,586.50

Finding the Fourth Proportional to 144,485,338.50, 199,389,767.13 and 86,538,586.50

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Solution

The fourth proportional to 144,485,338.50, 199,389,767.13 and 86,538,586.50 is: 119,423,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,485,338.50 : 199,389,767.13 = 86,538,586.50 : x
  2. Step 2: Convert to fraction form
    144,485,338.50/199,389,767.13 = 86,538,586.50/x
  3. Step 3: Cross multiply
    144,485,338.50x = 199,389,767.13 × 86,538,586.50
  4. Step 4: Simplify right side
    144,485,338.50x = 17,254,908,609,994,362
  5. Step 5: Solve for x
    x = 17,254,908,609,994,362/144,485,338.50
  6. Step 6: Final answer
    x = 119,423,249.37

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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.