Home / 170,381,936.20-255,572,904.30-105,884,681.80

Finding the Fourth Proportional to 170,381,936.20, 255,572,904.30 and 105,884,681.80

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Solution

The fourth proportional to 170,381,936.20, 255,572,904.30 and 105,884,681.80 is: 158,827,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,381,936.20 : 255,572,904.30 = 105,884,681.80 : x
  2. Step 2: Convert to fraction form
    170,381,936.20/255,572,904.30 = 105,884,681.80/x
  3. Step 3: Cross multiply
    170,381,936.20x = 255,572,904.30 × 105,884,681.80
  4. Step 4: Simplify right side
    170,381,936.20x = 27,061,255,648,507,352
  5. Step 5: Solve for x
    x = 27,061,255,648,507,352/170,381,936.20
  6. Step 6: Final answer
    x = 158,827,022.70

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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.