Home / 113,328,298.80-169,908,467.40-76,845,639.60

Finding the Fourth Proportional to 113,328,298.80, 169,908,467.40 and 76,845,639.60

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Solution

The fourth proportional to 113,328,298.80, 169,908,467.40 and 76,845,639.60 is: 115,211,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,328,298.80 : 169,908,467.40 = 76,845,639.60 : x
  2. Step 2: Convert to fraction form
    113,328,298.80/169,908,467.40 = 76,845,639.60/x
  3. Step 3: Cross multiply
    113,328,298.80x = 169,908,467.40 × 76,845,639.60
  4. Step 4: Simplify right side
    113,328,298.80x = 13,056,724,850,808,748
  5. Step 5: Solve for x
    x = 13,056,724,850,808,748/113,328,298.80
  6. Step 6: Final answer
    x = 115,211,513.71

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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.