Home / 103,235,881.33-142,469,275.09-56,190,680.76

Finding the Fourth Proportional to 103,235,881.33, 142,469,275.09 and 56,190,680.76

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Solution

The fourth proportional to 103,235,881.33, 142,469,275.09 and 56,190,680.76 is: 77,545,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,235,881.33 : 142,469,275.09 = 56,190,680.76 : x
  2. Step 2: Convert to fraction form
    103,235,881.33/142,469,275.09 = 56,190,680.76/x
  3. Step 3: Cross multiply
    103,235,881.33x = 142,469,275.09 × 56,190,680.76
  4. Step 4: Simplify right side
    103,235,881.33x = 8,005,445,554,388,281
  5. Step 5: Solve for x
    x = 8,005,445,554,388,281/103,235,881.33
  6. Step 6: Final answer
    x = 77,545,185.37

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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.