Home / 140,659,826.40-210,989,739.60-38,423,864.03

Finding the Fourth Proportional to 140,659,826.40, 210,989,739.60 and 38,423,864.03

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Solution

The fourth proportional to 140,659,826.40, 210,989,739.60 and 38,423,864.03 is: 57,635,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,659,826.40 : 210,989,739.60 = 38,423,864.03 : x
  2. Step 2: Convert to fraction form
    140,659,826.40/210,989,739.60 = 38,423,864.03/x
  3. Step 3: Cross multiply
    140,659,826.40x = 210,989,739.60 × 38,423,864.03
  4. Step 4: Simplify right side
    140,659,826.40x = 8,107,041,065,060,557
  5. Step 5: Solve for x
    x = 8,107,041,065,060,557/140,659,826.40
  6. Step 6: Final answer
    x = 57,635,796.04

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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.