Home / 72,171,493.40-108,257,240.10-70,736,602.70

Finding the Fourth Proportional to 72,171,493.40, 108,257,240.10 and 70,736,602.70

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Solution

The fourth proportional to 72,171,493.40, 108,257,240.10 and 70,736,602.70 is: 106,104,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,493.40 : 108,257,240.10 = 70,736,602.70 : x
  2. Step 2: Convert to fraction form
    72,171,493.40/108,257,240.10 = 70,736,602.70/x
  3. Step 3: Cross multiply
    72,171,493.40x = 108,257,240.10 × 70,736,602.70
  4. Step 4: Simplify right side
    72,171,493.40x = 7,657,749,382,352,208
  5. Step 5: Solve for x
    x = 7,657,749,382,352,208/72,171,493.40
  6. Step 6: Final answer
    x = 106,104,904.05

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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.