Home / 65,720,128.01-90,687,690.32-36,350,828.46

Finding the Fourth Proportional to 65,720,128.01, 90,687,690.32 and 36,350,828.46

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Solution

The fourth proportional to 65,720,128.01, 90,687,690.32 and 36,350,828.46 is: 50,160,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,720,128.01 : 90,687,690.32 = 36,350,828.46 : x
  2. Step 2: Convert to fraction form
    65,720,128.01/90,687,690.32 = 36,350,828.46/x
  3. Step 3: Cross multiply
    65,720,128.01x = 90,687,690.32 × 36,350,828.46
  4. Step 4: Simplify right side
    65,720,128.01x = 3,296,572,674,074,168.50
  5. Step 5: Solve for x
    x = 3,296,572,674,074,168.50/65,720,128.01
  6. Step 6: Final answer
    x = 50,160,776.83

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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.