Home / 217,742,811.60-326,614,217.40-145,183,400.40

Finding the Fourth Proportional to 217,742,811.60, 326,614,217.40 and 145,183,400.40

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Solution

The fourth proportional to 217,742,811.60, 326,614,217.40 and 145,183,400.40 is: 217,775,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,742,811.60 : 326,614,217.40 = 145,183,400.40 : x
  2. Step 2: Convert to fraction form
    217,742,811.60/326,614,217.40 = 145,183,400.40/x
  3. Step 3: Cross multiply
    217,742,811.60x = 326,614,217.40 × 145,183,400.40
  4. Step 4: Simplify right side
    217,742,811.60x = 47,418,962,701,116,848
  5. Step 5: Solve for x
    x = 47,418,962,701,116,848/217,742,811.60
  6. Step 6: Final answer
    x = 217,775,100.60

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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.