Home / 53,390,153.86-73,678,992.48-31,364,581.64

Finding the Fourth Proportional to 53,390,153.86, 73,678,992.48 and 31,364,581.64

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Solution

The fourth proportional to 53,390,153.86, 73,678,992.48 and 31,364,581.64 is: 43,283,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390,153.86 : 73,678,992.48 = 31,364,581.64 : x
  2. Step 2: Convert to fraction form
    53,390,153.86/73,678,992.48 = 31,364,581.64/x
  3. Step 3: Cross multiply
    53,390,153.86x = 73,678,992.48 × 31,364,581.64
  4. Step 4: Simplify right side
    53,390,153.86x = 2,310,910,774,791,906
  5. Step 5: Solve for x
    x = 2,310,910,774,791,906/53,390,153.86
  6. Step 6: Final answer
    x = 43,283,463.48

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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.