Home / 145,449,574.56-200,724,671.92-79,374,330.48

Finding the Fourth Proportional to 145,449,574.56, 200,724,671.92 and 79,374,330.48

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Solution

The fourth proportional to 145,449,574.56, 200,724,671.92 and 79,374,330.48 is: 109,538,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,449,574.56 : 200,724,671.92 = 79,374,330.48 : x
  2. Step 2: Convert to fraction form
    145,449,574.56/200,724,671.92 = 79,374,330.48/x
  3. Step 3: Cross multiply
    145,449,574.56x = 200,724,671.92 × 79,374,330.48
  4. Step 4: Simplify right side
    145,449,574.56x = 15,932,386,444,467,656
  5. Step 5: Solve for x
    x = 15,932,386,444,467,656/145,449,574.56
  6. Step 6: Final answer
    x = 109,538,900.29

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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.