Home / 121,413,083.60-182,119,625.40-82,671,034.70

Finding the Fourth Proportional to 121,413,083.60, 182,119,625.40 and 82,671,034.70

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Solution

The fourth proportional to 121,413,083.60, 182,119,625.40 and 82,671,034.70 is: 124,006,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,413,083.60 : 182,119,625.40 = 82,671,034.70 : x
  2. Step 2: Convert to fraction form
    121,413,083.60/182,119,625.40 = 82,671,034.70/x
  3. Step 3: Cross multiply
    121,413,083.60x = 182,119,625.40 × 82,671,034.70
  4. Step 4: Simplify right side
    121,413,083.60x = 15,056,017,870,994,402
  5. Step 5: Solve for x
    x = 15,056,017,870,994,402/121,413,083.60
  6. Step 6: Final answer
    x = 124,006,552.05

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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.