Home / 47,424,147.87-65,425,283.76-31,748,222.61

Finding the Fourth Proportional to 47,424,147.87, 65,425,283.76 and 31,748,222.61

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Solution

The fourth proportional to 47,424,147.87, 65,425,283.76 and 31,748,222.61 is: 43,799,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,424,147.87 : 65,425,283.76 = 31,748,222.61 : x
  2. Step 2: Convert to fraction form
    47,424,147.87/65,425,283.76 = 31,748,222.61/x
  3. Step 3: Cross multiply
    47,424,147.87x = 65,425,283.76 × 31,748,222.61
  4. Step 4: Simplify right side
    47,424,147.87x = 2,077,136,473,134,897.75
  5. Step 5: Solve for x
    x = 2,077,136,473,134,897.75/47,424,147.87
  6. Step 6: Final answer
    x = 43,799,131.17

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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.