Home / 87,209,892,043.20-130,814,838,064.80-47,538,033,969.60

Finding the Fourth Proportional to 87,209,892,043.20, 130,814,838,064.80 and 47,538,033,969.60

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Solution

The fourth proportional to 87,209,892,043.20, 130,814,838,064.80 and 47,538,033,969.60 is: 71,307,050,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,209,892,043.20 : 130,814,838,064.80 = 47,538,033,969.60 : x
  2. Step 2: Convert to fraction form
    87,209,892,043.20/130,814,838,064.80 = 47,538,033,969.60/x
  3. Step 3: Cross multiply
    87,209,892,043.20x = 130,814,838,064.80 × 47,538,033,969.60
  4. Step 4: Simplify right side
    87,209,892,043.20x = 6,218,680,215,652,185,145,344
  5. Step 5: Solve for x
    x = 6,218,680,215,652,185,145,344/87,209,892,043.20
  6. Step 6: Final answer
    x = 71,307,050,954.40

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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.