Home / 201,471,175.80-302,206,763.70-185,346,862.20

Finding the Fourth Proportional to 201,471,175.80, 302,206,763.70 and 185,346,862.20

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Solution

The fourth proportional to 201,471,175.80, 302,206,763.70 and 185,346,862.20 is: 278,020,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,471,175.80 : 302,206,763.70 = 185,346,862.20 : x
  2. Step 2: Convert to fraction form
    201,471,175.80/302,206,763.70 = 185,346,862.20/x
  3. Step 3: Cross multiply
    201,471,175.80x = 302,206,763.70 × 185,346,862.20
  4. Step 4: Simplify right side
    201,471,175.80x = 56,013,075,387,411,856
  5. Step 5: Solve for x
    x = 56,013,075,387,411,856/201,471,175.80
  6. Step 6: Final answer
    x = 278,020,293.30

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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.