Home / 121,413,085.60-182,119,628.40-82,671,036.70

Finding the Fourth Proportional to 121,413,085.60, 182,119,628.40 and 82,671,036.70

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Solution

The fourth proportional to 121,413,085.60, 182,119,628.40 and 82,671,036.70 is: 124,006,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,413,085.60 : 182,119,628.40 = 82,671,036.70 : x
  2. Step 2: Convert to fraction form
    121,413,085.60/182,119,628.40 = 82,671,036.70/x
  3. Step 3: Cross multiply
    121,413,085.60x = 182,119,628.40 × 82,671,036.70
  4. Step 4: Simplify right side
    121,413,085.60x = 15,056,018,483,246,764
  5. Step 5: Solve for x
    x = 15,056,018,483,246,764/121,413,085.60
  6. Step 6: Final answer
    x = 124,006,555.05

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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.