Home / 122,794,036.08-169,453,032.12-67,037,316.72

Finding the Fourth Proportional to 122,794,036.08, 169,453,032.12 and 67,037,316.72

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Solution

The fourth proportional to 122,794,036.08, 169,453,032.12 and 67,037,316.72 is: 92,510,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,794,036.08 : 169,453,032.12 = 67,037,316.72 : x
  2. Step 2: Convert to fraction form
    122,794,036.08/169,453,032.12 = 67,037,316.72/x
  3. Step 3: Cross multiply
    122,794,036.08x = 169,453,032.12 × 67,037,316.72
  4. Step 4: Simplify right side
    122,794,036.08x = 11,359,676,583,392,774
  5. Step 5: Solve for x
    x = 11,359,676,583,392,774/122,794,036.08
  6. Step 6: Final answer
    x = 92,510,002.49

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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.