Home / 47,377,205.40-71,065,808.10-42,983,959.80

Finding the Fourth Proportional to 47,377,205.40, 71,065,808.10 and 42,983,959.80

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Solution

The fourth proportional to 47,377,205.40, 71,065,808.10 and 42,983,959.80 is: 64,475,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377,205.40 : 71,065,808.10 = 42,983,959.80 : x
  2. Step 2: Convert to fraction form
    47,377,205.40/71,065,808.10 = 42,983,959.80/x
  3. Step 3: Cross multiply
    47,377,205.40x = 71,065,808.10 × 42,983,959.80
  4. Step 4: Simplify right side
    47,377,205.40x = 3,054,689,838,524,914
  5. Step 5: Solve for x
    x = 3,054,689,838,524,914/47,377,205.40
  6. Step 6: Final answer
    x = 64,475,939.70

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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.