Home / 147,510,863.37-203,559,655.77-81,429,943.14

Finding the Fourth Proportional to 147,510,863.37, 203,559,655.77 and 81,429,943.14

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Solution

The fourth proportional to 147,510,863.37, 203,559,655.77 and 81,429,943.14 is: 112,370,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,863.37 : 203,559,655.77 = 81,429,943.14 : x
  2. Step 2: Convert to fraction form
    147,510,863.37/203,559,655.77 = 81,429,943.14/x
  3. Step 3: Cross multiply
    147,510,863.37x = 203,559,655.77 × 81,429,943.14
  4. Step 4: Simplify right side
    147,510,863.37x = 16,575,851,194,949,074
  5. Step 5: Solve for x
    x = 16,575,851,194,949,074/147,510,863.37
  6. Step 6: Final answer
    x = 112,370,376.09

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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.