Home / 248,433,341.70-372,650,012.55-84,855,801.90

Finding the Fourth Proportional to 248,433,341.70, 372,650,012.55 and 84,855,801.90

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Solution

The fourth proportional to 248,433,341.70, 372,650,012.55 and 84,855,801.90 is: 127,283,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433,341.70 : 372,650,012.55 = 84,855,801.90 : x
  2. Step 2: Convert to fraction form
    248,433,341.70/372,650,012.55 = 84,855,801.90/x
  3. Step 3: Cross multiply
    248,433,341.70x = 372,650,012.55 × 84,855,801.90
  4. Step 4: Simplify right side
    248,433,341.70x = 31,621,515,642,975,316
  5. Step 5: Solve for x
    x = 31,621,515,642,975,316/248,433,341.70
  6. Step 6: Final answer
    x = 127,283,702.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.