Home / 125,630,740-188,446,178.85-57,425,602.06

Finding the Fourth Proportional to 125,630,740, 188,446,178.85 and 57,425,602.06

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Solution

The fourth proportional to 125,630,740, 188,446,178.85 and 57,425,602.06 is: 86,138,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,630,740 : 188,446,178.85 = 57,425,602.06 : x
  2. Step 2: Convert to fraction form
    125,630,740/188,446,178.85 = 57,425,602.06/x
  3. Step 3: Cross multiply
    125,630,740x = 188,446,178.85 × 57,425,602.06
  4. Step 4: Simplify right side
    125,630,740x = 10,821,635,276,367,688
  5. Step 5: Solve for x
    x = 10,821,635,276,367,688/125,630,740
  6. Step 6: Final answer
    x = 86,138,434.56

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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.