Home / 75,003,441.23-112,509,492.15-28,945,549.28

Finding the Fourth Proportional to 75,003,441.23, 112,509,492.15 and 28,945,549.28

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Solution

The fourth proportional to 75,003,441.23, 112,509,492.15 and 28,945,549.28 is: 43,419,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003,441.23 : 112,509,492.15 = 28,945,549.28 : x
  2. Step 2: Convert to fraction form
    75,003,441.23/112,509,492.15 = 28,945,549.28/x
  3. Step 3: Cross multiply
    75,003,441.23x = 112,509,492.15 × 28,945,549.28
  4. Step 4: Simplify right side
    75,003,441.23x = 3,256,649,049,495,598.50
  5. Step 5: Solve for x
    x = 3,256,649,049,495,598.50/75,003,441.23
  6. Step 6: Final answer
    x = 43,419,995.08

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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.