Home / 265,700,112.56-398,523,259.52-71,631,145.40

Finding the Fourth Proportional to 265,700,112.56, 398,523,259.52 and 71,631,145.40

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Solution

The fourth proportional to 265,700,112.56, 398,523,259.52 and 71,631,145.40 is: 107,439,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700,112.56 : 398,523,259.52 = 71,631,145.40 : x
  2. Step 2: Convert to fraction form
    265,700,112.56/398,523,259.52 = 71,631,145.40/x
  3. Step 3: Cross multiply
    265,700,112.56x = 398,523,259.52 × 71,631,145.40
  4. Step 4: Simplify right side
    265,700,112.56x = 28,546,677,547,959,056
  5. Step 5: Solve for x
    x = 28,546,677,547,959,056/265,700,112.56
  6. Step 6: Final answer
    x = 107,439,463.51

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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.