Home / 147,844,784-221,788,015.68-45,617,133.44

Finding the Fourth Proportional to 147,844,784, 221,788,015.68 and 45,617,133.44

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Solution

The fourth proportional to 147,844,784, 221,788,015.68 and 45,617,133.44 is: 68,432,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,844,784 : 221,788,015.68 = 45,617,133.44 : x
  2. Step 2: Convert to fraction form
    147,844,784/221,788,015.68 = 45,617,133.44/x
  3. Step 3: Cross multiply
    147,844,784x = 221,788,015.68 × 45,617,133.44
  4. Step 4: Simplify right side
    147,844,784x = 10,117,333,506,667,372
  5. Step 5: Solve for x
    x = 10,117,333,506,667,372/147,844,784
  6. Step 6: Final answer
    x = 68,432,130.19

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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.