Home / 122,293,796.63-168,709,829.40-72,706,033.55

Finding the Fourth Proportional to 122,293,796.63, 168,709,829.40 and 72,706,033.55

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Solution

The fourth proportional to 122,293,796.63, 168,709,829.40 and 72,706,033.55 is: 100,301,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,293,796.63 : 168,709,829.40 = 72,706,033.55 : x
  2. Step 2: Convert to fraction form
    122,293,796.63/168,709,829.40 = 72,706,033.55/x
  3. Step 3: Cross multiply
    122,293,796.63x = 168,709,829.40 × 72,706,033.55
  4. Step 4: Simplify right side
    122,293,796.63x = 12,266,222,516,992,950
  5. Step 5: Solve for x
    x = 12,266,222,516,992,950/122,293,796.63
  6. Step 6: Final answer
    x = 100,301,265.11

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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.