Home / 72,114,999.24-99,518,786.34-39,075,222.36

Finding the Fourth Proportional to 72,114,999.24, 99,518,786.34 and 39,075,222.36

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Solution

The fourth proportional to 72,114,999.24, 99,518,786.34 and 39,075,222.36 is: 53,923,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,114,999.24 : 99,518,786.34 = 39,075,222.36 : x
  2. Step 2: Convert to fraction form
    72,114,999.24/99,518,786.34 = 39,075,222.36/x
  3. Step 3: Cross multiply
    72,114,999.24x = 99,518,786.34 × 39,075,222.36
  4. Step 4: Simplify right side
    72,114,999.24x = 3,888,718,705,232,830.50
  5. Step 5: Solve for x
    x = 3,888,718,705,232,830.50/72,114,999.24
  6. Step 6: Final answer
    x = 53,923,854.21

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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.