Home / 286,295,437.78-395,092,927.84-159,148,055.50

Finding the Fourth Proportional to 286,295,437.78, 395,092,927.84 and 159,148,055.50

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Solution

The fourth proportional to 286,295,437.78, 395,092,927.84 and 159,148,055.50 is: 219,627,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,295,437.78 : 395,092,927.84 = 159,148,055.50 : x
  2. Step 2: Convert to fraction form
    286,295,437.78/395,092,927.84 = 159,148,055.50/x
  3. Step 3: Cross multiply
    286,295,437.78x = 395,092,927.84 × 159,148,055.50
  4. Step 4: Simplify right side
    286,295,437.78x = 62,878,271,207,537,808
  5. Step 5: Solve for x
    x = 62,878,271,207,537,808/286,295,437.78
  6. Step 6: Final answer
    x = 219,627,220.38

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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.