Home / 190,675,881.20-286,013,821.80-147,629,160.20

Finding the Fourth Proportional to 190,675,881.20, 286,013,821.80 and 147,629,160.20

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Solution

The fourth proportional to 190,675,881.20, 286,013,821.80 and 147,629,160.20 is: 221,443,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,675,881.20 : 286,013,821.80 = 147,629,160.20 : x
  2. Step 2: Convert to fraction form
    190,675,881.20/286,013,821.80 = 147,629,160.20/x
  3. Step 3: Cross multiply
    190,675,881.20x = 286,013,821.80 × 147,629,160.20
  4. Step 4: Simplify right side
    190,675,881.20x = 42,223,980,317,926,448
  5. Step 5: Solve for x
    x = 42,223,980,317,926,448/190,675,881.20
  6. Step 6: Final answer
    x = 221,443,740.30

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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.