Home / 147,241,022.34-203,201,701.66-81,161,371.56

Finding the Fourth Proportional to 147,241,022.34, 203,201,701.66 and 81,161,371.56

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Solution

The fourth proportional to 147,241,022.34, 203,201,701.66 and 81,161,371.56 is: 112,007,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,241,022.34 : 203,201,701.66 = 81,161,371.56 : x
  2. Step 2: Convert to fraction form
    147,241,022.34/203,201,701.66 = 81,161,371.56/x
  3. Step 3: Cross multiply
    147,241,022.34x = 203,201,701.66 × 81,161,371.56
  4. Step 4: Simplify right side
    147,241,022.34x = 16,492,128,810,051,528
  5. Step 5: Solve for x
    x = 16,492,128,810,051,528/147,241,022.34
  6. Step 6: Final answer
    x = 112,007,703.75

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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.