Home / 122,435,720.96-168,953,543.73-67,431,577.46

Finding the Fourth Proportional to 122,435,720.96, 168,953,543.73 and 67,431,577.46

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Solution

The fourth proportional to 122,435,720.96, 168,953,543.73 and 67,431,577.46 is: 93,051,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,435,720.96 : 168,953,543.73 = 67,431,577.46 : x
  2. Step 2: Convert to fraction form
    122,435,720.96/168,953,543.73 = 67,431,577.46/x
  3. Step 3: Cross multiply
    122,435,720.96x = 168,953,543.73 × 67,431,577.46
  4. Step 4: Simplify right side
    122,435,720.96x = 11,392,803,970,326,224
  5. Step 5: Solve for x
    x = 11,392,803,970,326,224/122,435,720.96
  6. Step 6: Final answer
    x = 93,051,307.91

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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.