Home / 210,015,346.80-314,928,541.80-80,579,938.80

Finding the Fourth Proportional to 210,015,346.80, 314,928,541.80 and 80,579,938.80

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Solution

The fourth proportional to 210,015,346.80, 314,928,541.80 and 80,579,938.80 is: 120,833,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,015,346.80 : 314,928,541.80 = 80,579,938.80 : x
  2. Step 2: Convert to fraction form
    210,015,346.80/314,928,541.80 = 80,579,938.80/x
  3. Step 3: Cross multiply
    210,015,346.80x = 314,928,541.80 × 80,579,938.80
  4. Step 4: Simplify right side
    210,015,346.80x = 25,376,922,624,617,240
  5. Step 5: Solve for x
    x = 25,376,922,624,617,240/210,015,346.80
  6. Step 6: Final answer
    x = 120,833,658.16

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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.