Home / 47,013,477.60-70,520,216.40-31,784,959.20

Finding the Fourth Proportional to 47,013,477.60, 70,520,216.40 and 31,784,959.20

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Solution

The fourth proportional to 47,013,477.60, 70,520,216.40 and 31,784,959.20 is: 47,677,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013,477.60 : 70,520,216.40 = 31,784,959.20 : x
  2. Step 2: Convert to fraction form
    47,013,477.60/70,520,216.40 = 31,784,959.20/x
  3. Step 3: Cross multiply
    47,013,477.60x = 70,520,216.40 × 31,784,959.20
  4. Step 4: Simplify right side
    47,013,477.60x = 2,241,482,201,049,171
  5. Step 5: Solve for x
    x = 2,241,482,201,049,171/47,013,477.60
  6. Step 6: Final answer
    x = 47,677,438.80

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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.