Home / 56,967,424.40-78,614,611.14-30,861,755.48

Finding the Fourth Proportional to 56,967,424.40, 78,614,611.14 and 30,861,755.48

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Solution

The fourth proportional to 56,967,424.40, 78,614,611.14 and 30,861,755.48 is: 42,588,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,967,424.40 : 78,614,611.14 = 30,861,755.48 : x
  2. Step 2: Convert to fraction form
    56,967,424.40/78,614,611.14 = 30,861,755.48/x
  3. Step 3: Cross multiply
    56,967,424.40x = 78,614,611.14 × 30,861,755.48
  4. Step 4: Simplify right side
    56,967,424.40x = 2,426,184,906,157,964
  5. Step 5: Solve for x
    x = 2,426,184,906,157,964/56,967,424.40
  6. Step 6: Final answer
    x = 42,588,987.16

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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.