Home / 370,978,048.20-556,467,072.30-98,376,371.40

Finding the Fourth Proportional to 370,978,048.20, 556,467,072.30 and 98,376,371.40

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Solution

The fourth proportional to 370,978,048.20, 556,467,072.30 and 98,376,371.40 is: 147,564,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,978,048.20 : 556,467,072.30 = 98,376,371.40 : x
  2. Step 2: Convert to fraction form
    370,978,048.20/556,467,072.30 = 98,376,371.40/x
  3. Step 3: Cross multiply
    370,978,048.20x = 556,467,072.30 × 98,376,371.40
  4. Step 4: Simplify right side
    370,978,048.20x = 54,743,211,376,455,448
  5. Step 5: Solve for x
    x = 54,743,211,376,455,448/370,978,048.20
  6. Step 6: Final answer
    x = 147,564,557.10

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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.