Home / 121,371,780,994.20-182,057,671,491.30-51,569,627,419.80

Finding the Fourth Proportional to 121,371,780,994.20, 182,057,671,491.30 and 51,569,627,419.80

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Solution

The fourth proportional to 121,371,780,994.20, 182,057,671,491.30 and 51,569,627,419.80 is: 77,354,441,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,371,780,994.20 : 182,057,671,491.30 = 51,569,627,419.80 : x
  2. Step 2: Convert to fraction form
    121,371,780,994.20/182,057,671,491.30 = 51,569,627,419.80/x
  3. Step 3: Cross multiply
    121,371,780,994.20x = 182,057,671,491.30 × 51,569,627,419.80
  4. Step 4: Simplify right side
    121,371,780,994.20x = 9,388,646,287,722,685,661,184
  5. Step 5: Solve for x
    x = 9,388,646,287,722,685,661,184/121,371,780,994.20
  6. Step 6: Final answer
    x = 77,354,441,129.70

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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.