Home / 186,644,914.20-257,528,759.40-108,283,085.28

Finding the Fourth Proportional to 186,644,914.20, 257,528,759.40 and 108,283,085.28

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Solution

The fourth proportional to 186,644,914.20, 257,528,759.40 and 108,283,085.28 is: 149,406,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,644,914.20 : 257,528,759.40 = 108,283,085.28 : x
  2. Step 2: Convert to fraction form
    186,644,914.20/257,528,759.40 = 108,283,085.28/x
  3. Step 3: Cross multiply
    186,644,914.20x = 257,528,759.40 × 108,283,085.28
  4. Step 4: Simplify right side
    186,644,914.20x = 27,886,008,616,162,804
  5. Step 5: Solve for x
    x = 27,886,008,616,162,804/186,644,914.20
  6. Step 6: Final answer
    x = 149,406,742.40

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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.