Home / 145,195,742.70-200,143,234.68-98,705,284.02

Finding the Fourth Proportional to 145,195,742.70, 200,143,234.68 and 98,705,284.02

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Solution

The fourth proportional to 145,195,742.70, 200,143,234.68 and 98,705,284.02 is: 136,059,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,195,742.70 : 200,143,234.68 = 98,705,284.02 : x
  2. Step 2: Convert to fraction form
    145,195,742.70/200,143,234.68 = 98,705,284.02/x
  3. Step 3: Cross multiply
    145,195,742.70x = 200,143,234.68 × 98,705,284.02
  4. Step 4: Simplify right side
    145,195,742.70x = 19,755,194,823,770,912
  5. Step 5: Solve for x
    x = 19,755,194,823,770,912/145,195,742.70
  6. Step 6: Final answer
    x = 136,059,050.05

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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.