Home / 136,905,532.65-188,929,801.13-74,181,581.08

Finding the Fourth Proportional to 136,905,532.65, 188,929,801.13 and 74,181,581.08

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Solution

The fourth proportional to 136,905,532.65, 188,929,801.13 and 74,181,581.08 is: 102,370,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,905,532.65 : 188,929,801.13 = 74,181,581.08 : x
  2. Step 2: Convert to fraction form
    136,905,532.65/188,929,801.13 = 74,181,581.08/x
  3. Step 3: Cross multiply
    136,905,532.65x = 188,929,801.13 × 74,181,581.08
  4. Step 4: Simplify right side
    136,905,532.65x = 14,015,111,360,110,138
  5. Step 5: Solve for x
    x = 14,015,111,360,110,138/136,905,532.65
  6. Step 6: Final answer
    x = 102,370,671.87

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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.