Home / 144,290,441.28-199,133,406.12-79,112,942.40

Finding the Fourth Proportional to 144,290,441.28, 199,133,406.12 and 79,112,942.40

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Solution

The fourth proportional to 144,290,441.28, 199,133,406.12 and 79,112,942.40 is: 109,182,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,290,441.28 : 199,133,406.12 = 79,112,942.40 : x
  2. Step 2: Convert to fraction form
    144,290,441.28/199,133,406.12 = 79,112,942.40/x
  3. Step 3: Cross multiply
    144,290,441.28x = 199,133,406.12 × 79,112,942.40
  4. Step 4: Simplify right side
    144,290,441.28x = 15,754,029,688,287,370
  5. Step 5: Solve for x
    x = 15,754,029,688,287,370/144,290,441.28
  6. Step 6: Final answer
    x = 109,182,767.40

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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.