Home / 99,075,037.80-148,612,556.70-73,247,005.20

Finding the Fourth Proportional to 99,075,037.80, 148,612,556.70 and 73,247,005.20

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Solution

The fourth proportional to 99,075,037.80, 148,612,556.70 and 73,247,005.20 is: 109,870,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075,037.80 : 148,612,556.70 = 73,247,005.20 : x
  2. Step 2: Convert to fraction form
    99,075,037.80/148,612,556.70 = 73,247,005.20/x
  3. Step 3: Cross multiply
    99,075,037.80x = 148,612,556.70 × 73,247,005.20
  4. Step 4: Simplify right side
    99,075,037.80x = 10,885,424,713,390,194
  5. Step 5: Solve for x
    x = 10,885,424,713,390,194/99,075,037.80
  6. Step 6: Final answer
    x = 109,870,507.80

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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.