Home / 55,126,130.68-76,074,060.46-30,685,618.36

Finding the Fourth Proportional to 55,126,130.68, 76,074,060.46 and 30,685,618.36

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Solution

The fourth proportional to 55,126,130.68, 76,074,060.46 and 30,685,618.36 is: 42,346,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126,130.68 : 76,074,060.46 = 30,685,618.36 : x
  2. Step 2: Convert to fraction form
    55,126,130.68/76,074,060.46 = 30,685,618.36/x
  3. Step 3: Cross multiply
    55,126,130.68x = 76,074,060.46 × 30,685,618.36
  4. Step 4: Simplify right side
    55,126,130.68x = 2,334,379,586,371,126
  5. Step 5: Solve for x
    x = 2,334,379,586,371,126/55,126,130.68
  6. Step 6: Final answer
    x = 42,346,153.40

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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.