Home / 147,415,538.04-203,439,595.32-81,340,322.64

Finding the Fourth Proportional to 147,415,538.04, 203,439,595.32 and 81,340,322.64

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Solution

The fourth proportional to 147,415,538.04, 203,439,595.32 and 81,340,322.64 is: 112,253,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,415,538.04 : 203,439,595.32 = 81,340,322.64 : x
  2. Step 2: Convert to fraction form
    147,415,538.04/203,439,595.32 = 81,340,322.64/x
  3. Step 3: Cross multiply
    147,415,538.04x = 203,439,595.32 × 81,340,322.64
  4. Step 4: Simplify right side
    147,415,538.04x = 16,547,842,321,079,834
  5. Step 5: Solve for x
    x = 16,547,842,321,079,834/147,415,538.04
  6. Step 6: Final answer
    x = 112,253,040.22

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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.