Home / 190,675,880.20-286,013,820.30-147,629,159.20

Finding the Fourth Proportional to 190,675,880.20, 286,013,820.30 and 147,629,159.20

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Solution

The fourth proportional to 190,675,880.20, 286,013,820.30 and 147,629,159.20 is: 221,443,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,675,880.20 : 286,013,820.30 = 147,629,159.20 : x
  2. Step 2: Convert to fraction form
    190,675,880.20/286,013,820.30 = 147,629,159.20/x
  3. Step 3: Cross multiply
    190,675,880.20x = 286,013,820.30 × 147,629,159.20
  4. Step 4: Simplify right side
    190,675,880.20x = 42,223,979,810,468,888
  5. Step 5: Solve for x
    x = 42,223,979,810,468,888/190,675,880.20
  6. Step 6: Final answer
    x = 221,443,738.80

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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.