Home / 30,275,869.60-45,367,302.48-20,547,840.88

Finding the Fourth Proportional to 30,275,869.60, 45,367,302.48 and 20,547,840.88

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Solution

The fourth proportional to 30,275,869.60, 45,367,302.48 and 20,547,840.88 is: 30,790,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275,869.60 : 45,367,302.48 = 20,547,840.88 : x
  2. Step 2: Convert to fraction form
    30,275,869.60/45,367,302.48 = 20,547,840.88/x
  3. Step 3: Cross multiply
    30,275,869.60x = 45,367,302.48 × 20,547,840.88
  4. Step 4: Simplify right side
    30,275,869.60x = 932,200,112,513,869.25
  5. Step 5: Solve for x
    x = 932,200,112,513,869.25/30,275,869.60
  6. Step 6: Final answer
    x = 30,790,201.07

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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.