Home / 166,494,917.60-249,742,376.40-163,944,000.80

Finding the Fourth Proportional to 166,494,917.60, 249,742,376.40 and 163,944,000.80

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Solution

The fourth proportional to 166,494,917.60, 249,742,376.40 and 163,944,000.80 is: 245,916,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,494,917.60 : 249,742,376.40 = 163,944,000.80 : x
  2. Step 2: Convert to fraction form
    166,494,917.60/249,742,376.40 = 163,944,000.80/x
  3. Step 3: Cross multiply
    166,494,917.60x = 249,742,376.40 × 163,944,000.80
  4. Step 4: Simplify right side
    166,494,917.60x = 40,943,764,356,315,504
  5. Step 5: Solve for x
    x = 40,943,764,356,315,504/166,494,917.60
  6. Step 6: Final answer
    x = 245,916,001.20

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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.