Home / 217,742,806.40-326,614,209.60-163,995,094.40

Finding the Fourth Proportional to 217,742,806.40, 326,614,209.60 and 163,995,094.40

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Solution

The fourth proportional to 217,742,806.40, 326,614,209.60 and 163,995,094.40 is: 245,992,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,742,806.40 : 326,614,209.60 = 163,995,094.40 : x
  2. Step 2: Convert to fraction form
    217,742,806.40/326,614,209.60 = 163,995,094.40/x
  3. Step 3: Cross multiply
    217,742,806.40x = 326,614,209.60 × 163,995,094.40
  4. Step 4: Simplify right side
    217,742,806.40x = 53,563,128,135,733,392
  5. Step 5: Solve for x
    x = 53,563,128,135,733,392/217,742,806.40
  6. Step 6: Final answer
    x = 245,992,641.60

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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.