Home / 125,963,732.20-189,029,579.10-57,771,322.60

Finding the Fourth Proportional to 125,963,732.20, 189,029,579.10 and 57,771,322.60

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Solution

The fourth proportional to 125,963,732.20, 189,029,579.10 and 57,771,322.60 is: 86,695,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,963,732.20 : 189,029,579.10 = 57,771,322.60 : x
  2. Step 2: Convert to fraction form
    125,963,732.20/189,029,579.10 = 57,771,322.60/x
  3. Step 3: Cross multiply
    125,963,732.20x = 189,029,579.10 × 57,771,322.60
  4. Step 4: Simplify right side
    125,963,732.20x = 10,920,488,795,128,318
  5. Step 5: Solve for x
    x = 10,920,488,795,128,318/125,963,732.20
  6. Step 6: Final answer
    x = 86,695,500.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.