Home / 248,408,402.67-342,805,938.66-136,903,264.56

Finding the Fourth Proportional to 248,408,402.67, 342,805,938.66 and 136,903,264.56

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Solution

The fourth proportional to 248,408,402.67, 342,805,938.66 and 136,903,264.56 is: 188,927,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,408,402.67 : 342,805,938.66 = 136,903,264.56 : x
  2. Step 2: Convert to fraction form
    248,408,402.67/342,805,938.66 = 136,903,264.56/x
  3. Step 3: Cross multiply
    248,408,402.67x = 342,805,938.66 × 136,903,264.56
  4. Step 4: Simplify right side
    248,408,402.67x = 46,931,252,113,109,120
  5. Step 5: Solve for x
    x = 46,931,252,113,109,120/248,408,402.67
  6. Step 6: Final answer
    x = 188,927,796.36

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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.