Home / 143,275,482.28-214,892,228.22-70,472,721.16

Finding the Fourth Proportional to 143,275,482.28, 214,892,228.22 and 70,472,721.16

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Solution

The fourth proportional to 143,275,482.28, 214,892,228.22 and 70,472,721.16 is: 105,698,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,275,482.28 : 214,892,228.22 = 70,472,721.16 : x
  2. Step 2: Convert to fraction form
    143,275,482.28/214,892,228.22 = 70,472,721.16/x
  3. Step 3: Cross multiply
    143,275,482.28x = 214,892,228.22 × 70,472,721.16
  4. Step 4: Simplify right side
    143,275,482.28x = 15,144,040,078,799,142
  5. Step 5: Solve for x
    x = 15,144,040,078,799,142/143,275,482.28
  6. Step 6: Final answer
    x = 105,698,754.86

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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.