Home / 145,195,751.72-200,143,247.12-98,705,293.04

Finding the Fourth Proportional to 145,195,751.72, 200,143,247.12 and 98,705,293.04

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Solution

The fourth proportional to 145,195,751.72, 200,143,247.12 and 98,705,293.04 is: 136,059,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,195,751.72 : 200,143,247.12 = 98,705,293.04 : x
  2. Step 2: Convert to fraction form
    145,195,751.72/200,143,247.12 = 98,705,293.04/x
  3. Step 3: Cross multiply
    145,195,751.72x = 200,143,247.12 × 98,705,293.04
  4. Step 4: Simplify right side
    145,195,751.72x = 19,755,197,856,956,736
  5. Step 5: Solve for x
    x = 19,755,197,856,956,736/145,195,751.72
  6. Step 6: Final answer
    x = 136,059,062.49

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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.