Home / 71,852,822.40-107,779,233.60-35,478,638.40

Finding the Fourth Proportional to 71,852,822.40, 107,779,233.60 and 35,478,638.40

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Solution

The fourth proportional to 71,852,822.40, 107,779,233.60 and 35,478,638.40 is: 53,217,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852,822.40 : 107,779,233.60 = 35,478,638.40 : x
  2. Step 2: Convert to fraction form
    71,852,822.40/107,779,233.60 = 35,478,638.40/x
  3. Step 3: Cross multiply
    71,852,822.40x = 107,779,233.60 × 35,478,638.40
  4. Step 4: Simplify right side
    71,852,822.40x = 3,823,860,455,923,530
  5. Step 5: Solve for x
    x = 3,823,860,455,923,530/71,852,822.40
  6. Step 6: Final answer
    x = 53,217,957.60

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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.