Home / 51,515,510.63-77,308,695.41-21,223,373.63

Finding the Fourth Proportional to 51,515,510.63, 77,308,695.41 and 21,223,373.63

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Solution

The fourth proportional to 51,515,510.63, 77,308,695.41 and 21,223,373.63 is: 31,849,656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515,510.63 : 77,308,695.41 = 21,223,373.63 : x
  2. Step 2: Convert to fraction form
    51,515,510.63/77,308,695.41 = 21,223,373.63/x
  3. Step 3: Cross multiply
    51,515,510.63x = 77,308,695.41 × 21,223,373.63
  4. Step 4: Simplify right side
    51,515,510.63x = 1,640,751,327,041,635.75
  5. Step 5: Solve for x
    x = 1,640,751,327,041,635.75/51,515,510.63
  6. Step 6: Final answer
    x = 31,849,656.68

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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.