Home / 140,039,535.65-193,271,505.44-79,703,199.36

Finding the Fourth Proportional to 140,039,535.65, 193,271,505.44 and 79,703,199.36

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Solution

The fourth proportional to 140,039,535.65, 193,271,505.44 and 79,703,199.36 is: 110,000,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,039,535.65 : 193,271,505.44 = 79,703,199.36 : x
  2. Step 2: Convert to fraction form
    140,039,535.65/193,271,505.44 = 79,703,199.36/x
  3. Step 3: Cross multiply
    140,039,535.65x = 193,271,505.44 × 79,703,199.36
  4. Step 4: Simplify right side
    140,039,535.65x = 15,404,357,328,293,128
  5. Step 5: Solve for x
    x = 15,404,357,328,293,128/140,039,535.65
  6. Step 6: Final answer
    x = 110,000,060.04

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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.