Home / 53,448,935.55-80,173,670.24-18,905,369.17

Finding the Fourth Proportional to 53,448,935.55, 80,173,670.24 and 18,905,369.17

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Solution

The fourth proportional to 53,448,935.55, 80,173,670.24 and 18,905,369.17 is: 28,358,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448,935.55 : 80,173,670.24 = 18,905,369.17 : x
  2. Step 2: Convert to fraction form
    53,448,935.55/80,173,670.24 = 18,905,369.17/x
  3. Step 3: Cross multiply
    53,448,935.55x = 80,173,670.24 × 18,905,369.17
  4. Step 4: Simplify right side
    53,448,935.55x = 1,515,712,833,447,872
  5. Step 5: Solve for x
    x = 1,515,712,833,447,872/53,448,935.55
  6. Step 6: Final answer
    x = 28,358,148.16

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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.