Home / 157,173,676,724.80-235,760,515,087.20-86,401,041,025.60

Finding the Fourth Proportional to 157,173,676,724.80, 235,760,515,087.20 and 86,401,041,025.60

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Solution

The fourth proportional to 157,173,676,724.80, 235,760,515,087.20 and 86,401,041,025.60 is: 129,601,561,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,173,676,724.80 : 235,760,515,087.20 = 86,401,041,025.60 : x
  2. Step 2: Convert to fraction form
    157,173,676,724.80/235,760,515,087.20 = 86,401,041,025.60/x
  3. Step 3: Cross multiply
    157,173,676,724.80x = 235,760,515,087.20 × 86,401,041,025.60
  4. Step 4: Simplify right side
    157,173,676,724.80x = 20,369,953,936,265,757,851,648
  5. Step 5: Solve for x
    x = 20,369,953,936,265,757,851,648/157,173,676,724.80
  6. Step 6: Final answer
    x = 129,601,561,538.40

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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.