Home / 166,495,042.60-249,742,563.90-163,944,125.80

Finding the Fourth Proportional to 166,495,042.60, 249,742,563.90 and 163,944,125.80

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Solution

The fourth proportional to 166,495,042.60, 249,742,563.90 and 163,944,125.80 is: 245,916,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,495,042.60 : 249,742,563.90 = 163,944,125.80 : x
  2. Step 2: Convert to fraction form
    166,495,042.60/249,742,563.90 = 163,944,125.80/x
  3. Step 3: Cross multiply
    166,495,042.60x = 249,742,563.90 × 163,944,125.80
  4. Step 4: Simplify right side
    166,495,042.60x = 40,943,826,313,636,144
  5. Step 5: Solve for x
    x = 40,943,826,313,636,144/166,495,042.60
  6. Step 6: Final answer
    x = 245,916,188.70

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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.