Home / 143,234,189.32-214,894,047.50-134,678,792.20

Finding the Fourth Proportional to 143,234,189.32, 214,894,047.50 and 134,678,792.20

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Solution

The fourth proportional to 143,234,189.32, 214,894,047.50 and 134,678,792.20 is: 202,058,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,234,189.32 : 214,894,047.50 = 134,678,792.20 : x
  2. Step 2: Convert to fraction form
    143,234,189.32/214,894,047.50 = 134,678,792.20/x
  3. Step 3: Cross multiply
    143,234,189.32x = 214,894,047.50 × 134,678,792.20
  4. Step 4: Simplify right side
    143,234,189.32x = 28,941,670,768,269,428
  5. Step 5: Solve for x
    x = 28,941,670,768,269,428/143,234,189.32
  6. Step 6: Final answer
    x = 202,058,397.55

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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.