Home / 81,995,040.64-113,154,501.18-48,958,176.52

Finding the Fourth Proportional to 81,995,040.64, 113,154,501.18 and 48,958,176.52

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Solution

The fourth proportional to 81,995,040.64, 113,154,501.18 and 48,958,176.52 is: 67,563,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,995,040.64 : 113,154,501.18 = 48,958,176.52 : x
  2. Step 2: Convert to fraction form
    81,995,040.64/113,154,501.18 = 48,958,176.52/x
  3. Step 3: Cross multiply
    81,995,040.64x = 113,154,501.18 × 48,958,176.52
  4. Step 4: Simplify right side
    81,995,040.64x = 5,539,838,042,802,989
  5. Step 5: Solve for x
    x = 5,539,838,042,802,989/81,995,040.64
  6. Step 6: Final answer
    x = 67,563,086.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.