Home / 122,293,793.63-168,709,825.26-72,706,030.53

Finding the Fourth Proportional to 122,293,793.63, 168,709,825.26 and 72,706,030.53

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Solution

The fourth proportional to 122,293,793.63, 168,709,825.26 and 72,706,030.53 is: 100,301,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,293,793.63 : 168,709,825.26 = 72,706,030.53 : x
  2. Step 2: Convert to fraction form
    122,293,793.63/168,709,825.26 = 72,706,030.53/x
  3. Step 3: Cross multiply
    122,293,793.63x = 168,709,825.26 × 72,706,030.53
  4. Step 4: Simplify right side
    122,293,793.63x = 12,266,221,706,064,524
  5. Step 5: Solve for x
    x = 12,266,221,706,064,524/122,293,793.63
  6. Step 6: Final answer
    x = 100,301,260.94

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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.