Home / 101,098,994.64-139,371,504.84-72,075,230.16

Finding the Fourth Proportional to 101,098,994.64, 139,371,504.84 and 72,075,230.16

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Solution

The fourth proportional to 101,098,994.64, 139,371,504.84 and 72,075,230.16 is: 99,360,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,098,994.64 : 139,371,504.84 = 72,075,230.16 : x
  2. Step 2: Convert to fraction form
    101,098,994.64/139,371,504.84 = 72,075,230.16/x
  3. Step 3: Cross multiply
    101,098,994.64x = 139,371,504.84 × 72,075,230.16
  4. Step 4: Simplify right side
    101,098,994.64x = 10,045,233,289,088,554
  5. Step 5: Solve for x
    x = 10,045,233,289,088,554/101,098,994.64
  6. Step 6: Final answer
    x = 99,360,367.77

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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.