Home / 124,902,042.80-187,353,064.20-111,509,729.60

Finding the Fourth Proportional to 124,902,042.80, 187,353,064.20 and 111,509,729.60

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Solution

The fourth proportional to 124,902,042.80, 187,353,064.20 and 111,509,729.60 is: 167,264,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,902,042.80 : 187,353,064.20 = 111,509,729.60 : x
  2. Step 2: Convert to fraction form
    124,902,042.80/187,353,064.20 = 111,509,729.60/x
  3. Step 3: Cross multiply
    124,902,042.80x = 187,353,064.20 × 111,509,729.60
  4. Step 4: Simplify right side
    124,902,042.80x = 20,891,689,528,673,436
  5. Step 5: Solve for x
    x = 20,891,689,528,673,436/124,902,042.80
  6. Step 6: Final answer
    x = 167,264,594.40

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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.