Home / 201,852,487.38-278,556,544.71-109,032,996

Finding the Fourth Proportional to 201,852,487.38, 278,556,544.71 and 109,032,996

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Solution

The fourth proportional to 201,852,487.38, 278,556,544.71 and 109,032,996 is: 150,465,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,487.38 : 278,556,544.71 = 109,032,996 : x
  2. Step 2: Convert to fraction form
    201,852,487.38/278,556,544.71 = 109,032,996/x
  3. Step 3: Cross multiply
    201,852,487.38x = 278,556,544.71 × 109,032,996
  4. Step 4: Simplify right side
    201,852,487.38x = 30,371,854,625,139,248
  5. Step 5: Solve for x
    x = 30,371,854,625,139,248/201,852,487.38
  6. Step 6: Final answer
    x = 150,465,595.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.