Home / 217,744,009.60-326,616,014.40-148,767,779.20

Finding the Fourth Proportional to 217,744,009.60, 326,616,014.40 and 148,767,779.20

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Solution

The fourth proportional to 217,744,009.60, 326,616,014.40 and 148,767,779.20 is: 223,151,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744,009.60 : 326,616,014.40 = 148,767,779.20 : x
  2. Step 2: Convert to fraction form
    217,744,009.60/326,616,014.40 = 148,767,779.20/x
  3. Step 3: Cross multiply
    217,744,009.60x = 326,616,014.40 × 148,767,779.20
  4. Step 4: Simplify right side
    217,744,009.60x = 48,589,939,113,443,216
  5. Step 5: Solve for x
    x = 48,589,939,113,443,216/217,744,009.60
  6. Step 6: Final answer
    x = 223,151,668.80

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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.