Home / 74,879,639.20-112,319,458.80-38,973,181.60

Finding the Fourth Proportional to 74,879,639.20, 112,319,458.80 and 38,973,181.60

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Solution

The fourth proportional to 74,879,639.20, 112,319,458.80 and 38,973,181.60 is: 58,459,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,879,639.20 : 112,319,458.80 = 38,973,181.60 : x
  2. Step 2: Convert to fraction form
    74,879,639.20/112,319,458.80 = 38,973,181.60/x
  3. Step 3: Cross multiply
    74,879,639.20x = 112,319,458.80 × 38,973,181.60
  4. Step 4: Simplify right side
    74,879,639.20x = 4,377,446,665,026,118
  5. Step 5: Solve for x
    x = 4,377,446,665,026,118/74,879,639.20
  6. Step 6: Final answer
    x = 58,459,772.40

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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.