Home / 77,354,013.72-116,044,239.78-31,890,955.80

Finding the Fourth Proportional to 77,354,013.72, 116,044,239.78 and 31,890,955.80

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Solution

The fourth proportional to 77,354,013.72, 116,044,239.78 and 31,890,955.80 is: 47,841,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,354,013.72 : 116,044,239.78 = 31,890,955.80 : x
  2. Step 2: Convert to fraction form
    77,354,013.72/116,044,239.78 = 31,890,955.80/x
  3. Step 3: Cross multiply
    77,354,013.72x = 116,044,239.78 × 31,890,955.80
  4. Step 4: Simplify right side
    77,354,013.72x = 3,700,761,721,668,582
  5. Step 5: Solve for x
    x = 3,700,761,721,668,582/77,354,013.72
  6. Step 6: Final answer
    x = 47,841,883.62

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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.