Home / 162,847,900.80-244,271,851.20-72,148,636.80

Finding the Fourth Proportional to 162,847,900.80, 244,271,851.20 and 72,148,636.80

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Solution

The fourth proportional to 162,847,900.80, 244,271,851.20 and 72,148,636.80 is: 108,222,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,847,900.80 : 244,271,851.20 = 72,148,636.80 : x
  2. Step 2: Convert to fraction form
    162,847,900.80/244,271,851.20 = 72,148,636.80/x
  3. Step 3: Cross multiply
    162,847,900.80x = 244,271,851.20 × 72,148,636.80
  4. Step 4: Simplify right side
    162,847,900.80x = 17,623,881,072,692,442
  5. Step 5: Solve for x
    x = 17,623,881,072,692,442/162,847,900.80
  6. Step 6: Final answer
    x = 108,222,955.20

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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.