Home / 213,408,266.58-294,413,227.47-142,866,602.64

Finding the Fourth Proportional to 213,408,266.58, 294,413,227.47 and 142,866,602.64

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Solution

The fourth proportional to 213,408,266.58, 294,413,227.47 and 142,866,602.64 is: 197,095,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,408,266.58 : 294,413,227.47 = 142,866,602.64 : x
  2. Step 2: Convert to fraction form
    213,408,266.58/294,413,227.47 = 142,866,602.64/x
  3. Step 3: Cross multiply
    213,408,266.58x = 294,413,227.47 × 142,866,602.64
  4. Step 4: Simplify right side
    213,408,266.58x = 42,061,817,580,916,424
  5. Step 5: Solve for x
    x = 42,061,817,580,916,424/213,408,266.58
  6. Step 6: Final answer
    x = 197,095,540.18

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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.