Home / 190,053,009.12-262,273,152.60-103,132,881.12

Finding the Fourth Proportional to 190,053,009.12, 262,273,152.60 and 103,132,881.12

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Solution

The fourth proportional to 190,053,009.12, 262,273,152.60 and 103,132,881.12 is: 142,323,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,053,009.12 : 262,273,152.60 = 103,132,881.12 : x
  2. Step 2: Convert to fraction form
    190,053,009.12/262,273,152.60 = 103,132,881.12/x
  3. Step 3: Cross multiply
    190,053,009.12x = 262,273,152.60 × 103,132,881.12
  4. Step 4: Simplify right side
    190,053,009.12x = 27,048,985,868,063,420
  5. Step 5: Solve for x
    x = 27,048,985,868,063,420/190,053,009.12
  6. Step 6: Final answer
    x = 142,323,375.95

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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.