Home / 65,287,742.20-97,819,638.90-31,135,550.20

Finding the Fourth Proportional to 65,287,742.20, 97,819,638.90 and 31,135,550.20

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Solution

The fourth proportional to 65,287,742.20, 97,819,638.90 and 31,135,550.20 is: 46,649,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,287,742.20 : 97,819,638.90 = 31,135,550.20 : x
  2. Step 2: Convert to fraction form
    65,287,742.20/97,819,638.90 = 31,135,550.20/x
  3. Step 3: Cross multiply
    65,287,742.20x = 97,819,638.90 × 31,135,550.20
  4. Step 4: Simplify right side
    65,287,742.20x = 3,045,668,277,516,823
  5. Step 5: Solve for x
    x = 3,045,668,277,516,823/65,287,742.20
  6. Step 6: Final answer
    x = 46,649,925.01

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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.