Home / 53,390,148.36-73,678,984.86-31,364,576.10

Finding the Fourth Proportional to 53,390,148.36, 73,678,984.86 and 31,364,576.10

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Solution

The fourth proportional to 53,390,148.36, 73,678,984.86 and 31,364,576.10 is: 43,283,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390,148.36 : 73,678,984.86 = 31,364,576.10 : x
  2. Step 2: Convert to fraction form
    53,390,148.36/73,678,984.86 = 31,364,576.10/x
  3. Step 3: Cross multiply
    53,390,148.36x = 73,678,984.86 × 31,364,576.10
  4. Step 4: Simplify right side
    53,390,148.36x = 2,310,910,127,612,218
  5. Step 5: Solve for x
    x = 2,310,910,127,612,218/53,390,148.36
  6. Step 6: Final answer
    x = 43,283,455.82

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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.