Home / 42,112,596.15-63,113,857.16-30,480,135.13

Finding the Fourth Proportional to 42,112,596.15, 63,113,857.16 and 30,480,135.13

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Solution

The fourth proportional to 42,112,596.15, 63,113,857.16 and 30,480,135.13 is: 45,680,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,112,596.15 : 63,113,857.16 = 30,480,135.13 : x
  2. Step 2: Convert to fraction form
    42,112,596.15/63,113,857.16 = 30,480,135.13/x
  3. Step 3: Cross multiply
    42,112,596.15x = 63,113,857.16 × 30,480,135.13
  4. Step 4: Simplify right side
    42,112,596.15x = 1,923,718,894,659,917.25
  5. Step 5: Solve for x
    x = 1,923,718,894,659,917.25/42,112,596.15
  6. Step 6: Final answer
    x = 45,680,368.12

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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.