Home / 315,467,799.77-473,216,314.08-97,127,921.72

Finding the Fourth Proportional to 315,467,799.77, 473,216,314.08 and 97,127,921.72

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Solution

The fourth proportional to 315,467,799.77, 473,216,314.08 and 97,127,921.72 is: 145,696,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,467,799.77 : 473,216,314.08 = 97,127,921.72 : x
  2. Step 2: Convert to fraction form
    315,467,799.77/473,216,314.08 = 97,127,921.72/x
  3. Step 3: Cross multiply
    315,467,799.77x = 473,216,314.08 × 97,127,921.72
  4. Step 4: Simplify right side
    315,467,799.77x = 45,962,517,110,589,168
  5. Step 5: Solve for x
    x = 45,962,517,110,589,168/315,467,799.77
  6. Step 6: Final answer
    x = 145,696,382.15

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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.