Home / 51,552,374.64-71,139,841.52-28,348,479.60

Finding the Fourth Proportional to 51,552,374.64, 71,139,841.52 and 28,348,479.60

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Solution

The fourth proportional to 51,552,374.64, 71,139,841.52 and 28,348,479.60 is: 39,119,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,552,374.64 : 71,139,841.52 = 28,348,479.60 : x
  2. Step 2: Convert to fraction form
    51,552,374.64/71,139,841.52 = 28,348,479.60/x
  3. Step 3: Cross multiply
    51,552,374.64x = 71,139,841.52 × 28,348,479.60
  4. Step 4: Simplify right side
    51,552,374.64x = 2,016,706,346,076,953
  5. Step 5: Solve for x
    x = 2,016,706,346,076,953/51,552,374.64
  6. Step 6: Final answer
    x = 39,119,562.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.