Home / 202,506,040,903.10-279,432,651,047.18-111,030,520,126.90

Finding the Fourth Proportional to 202,506,040,903.10, 279,432,651,047.18 and 111,030,520,126.90

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Solution

The fourth proportional to 202,506,040,903.10, 279,432,651,047.18 and 111,030,520,126.90 is: 153,208,034,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,506,040,903.10 : 279,432,651,047.18 = 111,030,520,126.90 : x
  2. Step 2: Convert to fraction form
    202,506,040,903.10/279,432,651,047.18 = 111,030,520,126.90/x
  3. Step 3: Cross multiply
    202,506,040,903.10x = 279,432,651,047.18 × 111,030,520,126.90
  4. Step 4: Simplify right side
    202,506,040,903.10x = 31,025,552,586,206,942,855,168
  5. Step 5: Solve for x
    x = 31,025,552,586,206,942,855,168/202,506,040,903.10
  6. Step 6: Final answer
    x = 153,208,034,920.07

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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.