Home / 546,948,900.96-820,425,455.04-132,425,031.68

Finding the Fourth Proportional to 546,948,900.96, 820,425,455.04 and 132,425,031.68

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Solution

The fourth proportional to 546,948,900.96, 820,425,455.04 and 132,425,031.68 is: 198,638,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,948,900.96 : 820,425,455.04 = 132,425,031.68 : x
  2. Step 2: Convert to fraction form
    546,948,900.96/820,425,455.04 = 132,425,031.68/x
  3. Step 3: Cross multiply
    546,948,900.96x = 820,425,455.04 × 132,425,031.68
  4. Step 4: Simplify right side
    546,948,900.96x = 108,644,866,874,750,416
  5. Step 5: Solve for x
    x = 108,644,866,874,750,416/546,948,900.96
  6. Step 6: Final answer
    x = 198,638,056.84

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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.