Home / 248,526,822.78-342,967,393.35-138,516,173.82

Finding the Fourth Proportional to 248,526,822.78, 342,967,393.35 and 138,516,173.82

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Solution

The fourth proportional to 248,526,822.78, 342,967,393.35 and 138,516,173.82 is: 191,152,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,526,822.78 : 342,967,393.35 = 138,516,173.82 : x
  2. Step 2: Convert to fraction form
    248,526,822.78/342,967,393.35 = 138,516,173.82/x
  3. Step 3: Cross multiply
    248,526,822.78x = 342,967,393.35 × 138,516,173.82
  4. Step 4: Simplify right side
    248,526,822.78x = 47,506,531,071,860,912
  5. Step 5: Solve for x
    x = 47,506,531,071,860,912/248,526,822.78
  6. Step 6: Final answer
    x = 191,152,530.50

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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.