Home / 217,742,711.40-326,614,067.10-163,994,999.40

Finding the Fourth Proportional to 217,742,711.40, 326,614,067.10 and 163,994,999.40

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Solution

The fourth proportional to 217,742,711.40, 326,614,067.10 and 163,994,999.40 is: 245,992,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,742,711.40 : 326,614,067.10 = 163,994,999.40 : x
  2. Step 2: Convert to fraction form
    217,742,711.40/326,614,067.10 = 163,994,999.40/x
  3. Step 3: Cross multiply
    217,742,711.40x = 326,614,067.10 × 163,994,999.40
  4. Step 4: Simplify right side
    217,742,711.40x = 53,563,073,738,096,064
  5. Step 5: Solve for x
    x = 53,563,073,738,096,064/217,742,711.40
  6. Step 6: Final answer
    x = 245,992,499.10

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1.5x scale

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.