Home / 86,920,129,000.10-130,380,193,500.15-28,038,166,811.30

Finding the Fourth Proportional to 86,920,129,000.10, 130,380,193,500.15 and 28,038,166,811.30

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Solution

The fourth proportional to 86,920,129,000.10, 130,380,193,500.15 and 28,038,166,811.30 is: 42,057,250,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,129,000.10 : 130,380,193,500.15 = 28,038,166,811.30 : x
  2. Step 2: Convert to fraction form
    86,920,129,000.10/130,380,193,500.15 = 28,038,166,811.30/x
  3. Step 3: Cross multiply
    86,920,129,000.10x = 130,380,193,500.15 × 28,038,166,811.30
  4. Step 4: Simplify right side
    86,920,129,000.10x = 3,655,621,614,246,777,323,520
  5. Step 5: Solve for x
    x = 3,655,621,614,246,777,323,520/86,920,129,000.10
  6. Step 6: Final answer
    x = 42,057,250,216.95

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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.