Home / 125,823,583.60-188,357,461.80-74,679,276.40

Finding the Fourth Proportional to 125,823,583.60, 188,357,461.80 and 74,679,276.40

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Solution

The fourth proportional to 125,823,583.60, 188,357,461.80 and 74,679,276.40 is: 111,794,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,823,583.60 : 188,357,461.80 = 74,679,276.40 : x
  2. Step 2: Convert to fraction form
    125,823,583.60/188,357,461.80 = 74,679,276.40/x
  3. Step 3: Cross multiply
    125,823,583.60x = 188,357,461.80 × 74,679,276.40
  4. Step 4: Simplify right side
    125,823,583.60x = 14,066,398,951,764,644
  5. Step 5: Solve for x
    x = 14,066,398,951,764,644/125,823,583.60
  6. Step 6: Final answer
    x = 111,794,613.93

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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.