Home / 45,493,743.60-68,240,615.40-28,275,055.20

Finding the Fourth Proportional to 45,493,743.60, 68,240,615.40 and 28,275,055.20

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Solution

The fourth proportional to 45,493,743.60, 68,240,615.40 and 28,275,055.20 is: 42,412,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493,743.60 : 68,240,615.40 = 28,275,055.20 : x
  2. Step 2: Convert to fraction form
    45,493,743.60/68,240,615.40 = 28,275,055.20/x
  3. Step 3: Cross multiply
    45,493,743.60x = 68,240,615.40 × 28,275,055.20
  4. Step 4: Simplify right side
    45,493,743.60x = 1,929,507,167,316,970.25
  5. Step 5: Solve for x
    x = 1,929,507,167,316,970.25/45,493,743.60
  6. Step 6: Final answer
    x = 42,412,582.80

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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.