Home / 145,088,626.68-200,222,317.42-79,009,105.19

Finding the Fourth Proportional to 145,088,626.68, 200,222,317.42 and 79,009,105.19

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Solution

The fourth proportional to 145,088,626.68, 200,222,317.42 and 79,009,105.19 is: 109,032,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088,626.68 : 200,222,317.42 = 79,009,105.19 : x
  2. Step 2: Convert to fraction form
    145,088,626.68/200,222,317.42 = 79,009,105.19/x
  3. Step 3: Cross multiply
    145,088,626.68x = 200,222,317.42 × 79,009,105.19
  4. Step 4: Simplify right side
    145,088,626.68x = 15,819,386,137,421,238
  5. Step 5: Solve for x
    x = 15,819,386,137,421,238/145,088,626.68
  6. Step 6: Final answer
    x = 109,032,572.02

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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.