Home / 208,500,393.76-287,659,274.88-119,128,212.16

Finding the Fourth Proportional to 208,500,393.76, 287,659,274.88 and 119,128,212.16

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Solution

The fourth proportional to 208,500,393.76, 287,659,274.88 and 119,128,212.16 is: 164,356,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,500,393.76 : 287,659,274.88 = 119,128,212.16 : x
  2. Step 2: Convert to fraction form
    208,500,393.76/287,659,274.88 = 119,128,212.16/x
  3. Step 3: Cross multiply
    208,500,393.76x = 287,659,274.88 × 119,128,212.16
  4. Step 4: Simplify right side
    208,500,393.76x = 34,268,335,127,696,396
  5. Step 5: Solve for x
    x = 34,268,335,127,696,396/208,500,393.76
  6. Step 6: Final answer
    x = 164,356,213.00

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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.