Home / 147,415,537.04-203,439,593.94-81,340,321.64

Finding the Fourth Proportional to 147,415,537.04, 203,439,593.94 and 81,340,321.64

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Solution

The fourth proportional to 147,415,537.04, 203,439,593.94 and 81,340,321.64 is: 112,253,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,415,537.04 : 203,439,593.94 = 81,340,321.64 : x
  2. Step 2: Convert to fraction form
    147,415,537.04/203,439,593.94 = 81,340,321.64/x
  3. Step 3: Cross multiply
    147,415,537.04x = 203,439,593.94 × 81,340,321.64
  4. Step 4: Simplify right side
    147,415,537.04x = 16,547,842,005,390,594
  5. Step 5: Solve for x
    x = 16,547,842,005,390,594/147,415,537.04
  6. Step 6: Final answer
    x = 112,253,038.84

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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.