Home / 31,912,706,181.60-47,869,059,272.40-20,158,081,567.20

Finding the Fourth Proportional to 31,912,706,181.60, 47,869,059,272.40 and 20,158,081,567.20

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Solution

The fourth proportional to 31,912,706,181.60, 47,869,059,272.40 and 20,158,081,567.20 is: 30,237,122,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,706,181.60 : 47,869,059,272.40 = 20,158,081,567.20 : x
  2. Step 2: Convert to fraction form
    31,912,706,181.60/47,869,059,272.40 = 20,158,081,567.20/x
  3. Step 3: Cross multiply
    31,912,706,181.60x = 47,869,059,272.40 × 20,158,081,567.20
  4. Step 4: Simplify right side
    31,912,706,181.60x = 964,948,401,358,170,750,976
  5. Step 5: Solve for x
    x = 964,948,401,358,170,750,976/31,912,706,181.60
  6. Step 6: Final answer
    x = 30,237,122,350.80

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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.