Home / 47,013,505.60-70,520,258.40-31,784,987.20

Finding the Fourth Proportional to 47,013,505.60, 70,520,258.40 and 31,784,987.20

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Solution

The fourth proportional to 47,013,505.60, 70,520,258.40 and 31,784,987.20 is: 47,677,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013,505.60 : 70,520,258.40 = 31,784,987.20 : x
  2. Step 2: Convert to fraction form
    47,013,505.60/70,520,258.40 = 31,784,987.20/x
  3. Step 3: Cross multiply
    47,013,505.60x = 70,520,258.40 × 31,784,987.20
  4. Step 4: Simplify right side
    47,013,505.60x = 2,241,485,510,584,692.50
  5. Step 5: Solve for x
    x = 2,241,485,510,584,692.50/47,013,505.60
  6. Step 6: Final answer
    x = 47,677,480.80

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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.