Home / 220,549,539.96-330,860,245.92-65,119,059.72

Finding the Fourth Proportional to 220,549,539.96, 330,860,245.92 and 65,119,059.72

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Solution

The fourth proportional to 220,549,539.96, 330,860,245.92 and 65,119,059.72 is: 97,689,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,549,539.96 : 330,860,245.92 = 65,119,059.72 : x
  2. Step 2: Convert to fraction form
    220,549,539.96/330,860,245.92 = 65,119,059.72/x
  3. Step 3: Cross multiply
    220,549,539.96x = 330,860,245.92 × 65,119,059.72
  4. Step 4: Simplify right side
    220,549,539.96x = 21,545,308,113,038,368
  5. Step 5: Solve for x
    x = 21,545,308,113,038,368/220,549,539.96
  6. Step 6: Final answer
    x = 97,689,199.97

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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.