Home / 122,861,440.50-169,547,671.62-67,106,849.28

Finding the Fourth Proportional to 122,861,440.50, 169,547,671.62 and 67,106,849.28

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Solution

The fourth proportional to 122,861,440.50, 169,547,671.62 and 67,106,849.28 is: 92,606,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,861,440.50 : 169,547,671.62 = 67,106,849.28 : x
  2. Step 2: Convert to fraction form
    122,861,440.50/169,547,671.62 = 67,106,849.28/x
  3. Step 3: Cross multiply
    122,861,440.50x = 169,547,671.62 × 67,106,849.28
  4. Step 4: Simplify right side
    122,861,440.50x = 11,377,810,045,178,274
  5. Step 5: Solve for x
    x = 11,377,810,045,178,274/122,861,440.50
  6. Step 6: Final answer
    x = 92,606,842.30

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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.