Home / 208,476,251.40-287,577,696.96-130,023,602.40

Finding the Fourth Proportional to 208,476,251.40, 287,577,696.96 and 130,023,602.40

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Solution

The fourth proportional to 208,476,251.40, 287,577,696.96 and 130,023,602.40 is: 179,358,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,476,251.40 : 287,577,696.96 = 130,023,602.40 : x
  2. Step 2: Convert to fraction form
    208,476,251.40/287,577,696.96 = 130,023,602.40/x
  3. Step 3: Cross multiply
    208,476,251.40x = 287,577,696.96 × 130,023,602.40
  4. Step 4: Simplify right side
    208,476,251.40x = 37,391,888,128,634,728
  5. Step 5: Solve for x
    x = 37,391,888,128,634,728/208,476,251.40
  6. Step 6: Final answer
    x = 179,358,022.21

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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.