Home / 145,188,099.81-200,359,606.55-79,108,598.07

Finding the Fourth Proportional to 145,188,099.81, 200,359,606.55 and 79,108,598.07

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Solution

The fourth proportional to 145,188,099.81, 200,359,606.55 and 79,108,598.07 is: 109,169,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,188,099.81 : 200,359,606.55 = 79,108,598.07 : x
  2. Step 2: Convert to fraction form
    145,188,099.81/200,359,606.55 = 79,108,598.07/x
  3. Step 3: Cross multiply
    145,188,099.81x = 200,359,606.55 × 79,108,598.07
  4. Step 4: Simplify right side
    145,188,099.81x = 15,850,167,583,631,744
  5. Step 5: Solve for x
    x = 15,850,167,583,631,744/145,188,099.81
  6. Step 6: Final answer
    x = 109,169,881.03

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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.