Home / 55,558,175.16-76,674,991.84-30,786,132.76

Finding the Fourth Proportional to 55,558,175.16, 76,674,991.84 and 30,786,132.76

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Solution

The fourth proportional to 55,558,175.16, 76,674,991.84 and 30,786,132.76 is: 42,487,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558,175.16 : 76,674,991.84 = 30,786,132.76 : x
  2. Step 2: Convert to fraction form
    55,558,175.16/76,674,991.84 = 30,786,132.76/x
  3. Step 3: Cross multiply
    55,558,175.16x = 76,674,991.84 × 30,786,132.76
  4. Step 4: Simplify right side
    55,558,175.16x = 2,360,526,478,158,157
  5. Step 5: Solve for x
    x = 2,360,526,478,158,157/55,558,175.16
  6. Step 6: Final answer
    x = 42,487,473.20

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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.