Home / 145,151,655.06-200,309,195.76-79,961,559.06

Finding the Fourth Proportional to 145,151,655.06, 200,309,195.76 and 79,961,559.06

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Solution

The fourth proportional to 145,151,655.06, 200,309,195.76 and 79,961,559.06 is: 110,346,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151,655.06 : 200,309,195.76 = 79,961,559.06 : x
  2. Step 2: Convert to fraction form
    145,151,655.06/200,309,195.76 = 79,961,559.06/x
  3. Step 3: Cross multiply
    145,151,655.06x = 200,309,195.76 × 79,961,559.06
  4. Step 4: Simplify right side
    145,151,655.06x = 16,017,035,587,024,342
  5. Step 5: Solve for x
    x = 16,017,035,587,024,342/145,151,655.06
  6. Step 6: Final answer
    x = 110,346,902.90

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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.