Home / 136,905,536.65-188,929,806.65-74,181,585.09

Finding the Fourth Proportional to 136,905,536.65, 188,929,806.65 and 74,181,585.09

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Solution

The fourth proportional to 136,905,536.65, 188,929,806.65 and 74,181,585.09 is: 102,370,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,905,536.65 : 188,929,806.65 = 74,181,585.09 : x
  2. Step 2: Convert to fraction form
    136,905,536.65/188,929,806.65 = 74,181,585.09/x
  3. Step 3: Cross multiply
    136,905,536.65x = 188,929,806.65 × 74,181,585.09
  4. Step 4: Simplify right side
    136,905,536.65x = 14,015,112,528,044,224
  5. Step 5: Solve for x
    x = 14,015,112,528,044,224/136,905,536.65
  6. Step 6: Final answer
    x = 102,370,677.41

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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.