Home / 203,249,506.76-280,486,870.28-110,431,564.64

Finding the Fourth Proportional to 203,249,506.76, 280,486,870.28 and 110,431,564.64

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Solution

The fourth proportional to 203,249,506.76, 280,486,870.28 and 110,431,564.64 is: 152,396,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,249,506.76 : 280,486,870.28 = 110,431,564.64 : x
  2. Step 2: Convert to fraction form
    203,249,506.76/280,486,870.28 = 110,431,564.64/x
  3. Step 3: Cross multiply
    203,249,506.76x = 280,486,870.28 × 110,431,564.64
  4. Step 4: Simplify right side
    203,249,506.76x = 30,974,603,945,997,112
  5. Step 5: Solve for x
    x = 30,974,603,945,997,112/203,249,506.76
  6. Step 6: Final answer
    x = 152,396,945.21

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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.