Home / 122,083,619.80-183,125,429.70-89,559,430.60

Finding the Fourth Proportional to 122,083,619.80, 183,125,429.70 and 89,559,430.60

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Solution

The fourth proportional to 122,083,619.80, 183,125,429.70 and 89,559,430.60 is: 134,339,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,083,619.80 : 183,125,429.70 = 89,559,430.60 : x
  2. Step 2: Convert to fraction form
    122,083,619.80/183,125,429.70 = 89,559,430.60/x
  3. Step 3: Cross multiply
    122,083,619.80x = 183,125,429.70 × 89,559,430.60
  4. Step 4: Simplify right side
    122,083,619.80x = 16,400,609,212,312,326
  5. Step 5: Solve for x
    x = 16,400,609,212,312,326/122,083,619.80
  6. Step 6: Final answer
    x = 134,339,145.90

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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.