Home / 101,479,738.08-140,042,130.13-55,069,992.46

Finding the Fourth Proportional to 101,479,738.08, 140,042,130.13 and 55,069,992.46

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Solution

The fourth proportional to 101,479,738.08, 140,042,130.13 and 55,069,992.46 is: 75,996,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,479,738.08 : 140,042,130.13 = 55,069,992.46 : x
  2. Step 2: Convert to fraction form
    101,479,738.08/140,042,130.13 = 55,069,992.46/x
  3. Step 3: Cross multiply
    101,479,738.08x = 140,042,130.13 × 55,069,992.46
  4. Step 4: Simplify right side
    101,479,738.08x = 7,712,119,050,341,439
  5. Step 5: Solve for x
    x = 7,712,119,050,341,439/101,479,738.08
  6. Step 6: Final answer
    x = 75,996,639.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.