Home / 125,626,427.60-188,445,546.30-39,367,648.40

Finding the Fourth Proportional to 125,626,427.60, 188,445,546.30 and 39,367,648.40

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Solution

The fourth proportional to 125,626,427.60, 188,445,546.30 and 39,367,648.40 is: 59,053,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,626,427.60 : 188,445,546.30 = 39,367,648.40 : x
  2. Step 2: Convert to fraction form
    125,626,427.60/188,445,546.30 = 39,367,648.40/x
  3. Step 3: Cross multiply
    125,626,427.60x = 188,445,546.30 × 39,367,648.40
  4. Step 4: Simplify right side
    125,626,427.60x = 7,418,658,009,284,321
  5. Step 5: Solve for x
    x = 7,418,658,009,284,321/125,626,427.60
  6. Step 6: Final answer
    x = 59,053,323.02

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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.