Home / 99,673,220.80-149,537,824.80-48,556,907.20

Finding the Fourth Proportional to 99,673,220.80, 149,537,824.80 and 48,556,907.20

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Solution

The fourth proportional to 99,673,220.80, 149,537,824.80 and 48,556,907.20 is: 72,848,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,673,220.80 : 149,537,824.80 = 48,556,907.20 : x
  2. Step 2: Convert to fraction form
    99,673,220.80/149,537,824.80 = 48,556,907.20/x
  3. Step 3: Cross multiply
    99,673,220.80x = 149,537,824.80 × 48,556,907.20
  4. Step 4: Simplify right side
    99,673,220.80x = 7,261,094,281,703,460
  5. Step 5: Solve for x
    x = 7,261,094,281,703,460/99,673,220.80
  6. Step 6: Final answer
    x = 72,848,998.19

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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.