Home / 166,464,047.20-249,696,070.80-89,747,586.40

Finding the Fourth Proportional to 166,464,047.20, 249,696,070.80 and 89,747,586.40

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Solution

The fourth proportional to 166,464,047.20, 249,696,070.80 and 89,747,586.40 is: 134,621,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,464,047.20 : 249,696,070.80 = 89,747,586.40 : x
  2. Step 2: Convert to fraction form
    166,464,047.20/249,696,070.80 = 89,747,586.40/x
  3. Step 3: Cross multiply
    166,464,047.20x = 249,696,070.80 × 89,747,586.40
  4. Step 4: Simplify right side
    166,464,047.20x = 22,409,619,687,863,520
  5. Step 5: Solve for x
    x = 22,409,619,687,863,520/166,464,047.20
  6. Step 6: Final answer
    x = 134,621,379.60

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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.