Home / 166,436,640.80-249,654,961.20-101,939,386.40

Finding the Fourth Proportional to 166,436,640.80, 249,654,961.20 and 101,939,386.40

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Solution

The fourth proportional to 166,436,640.80, 249,654,961.20 and 101,939,386.40 is: 152,909,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,436,640.80 : 249,654,961.20 = 101,939,386.40 : x
  2. Step 2: Convert to fraction form
    166,436,640.80/249,654,961.20 = 101,939,386.40/x
  3. Step 3: Cross multiply
    166,436,640.80x = 249,654,961.20 × 101,939,386.40
  4. Step 4: Simplify right side
    166,436,640.80x = 25,449,673,556,443,808
  5. Step 5: Solve for x
    x = 25,449,673,556,443,808/166,436,640.80
  6. Step 6: Final answer
    x = 152,909,079.60

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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.