Home / 48,871,574.51-67,387,505.10-31,207,250.69

Finding the Fourth Proportional to 48,871,574.51, 67,387,505.10 and 31,207,250.69

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Solution

The fourth proportional to 48,871,574.51, 67,387,505.10 and 31,207,250.69 is: 43,030,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,871,574.51 : 67,387,505.10 = 31,207,250.69 : x
  2. Step 2: Convert to fraction form
    48,871,574.51/67,387,505.10 = 31,207,250.69/x
  3. Step 3: Cross multiply
    48,871,574.51x = 67,387,505.10 × 31,207,250.69
  4. Step 4: Simplify right side
    48,871,574.51x = 2,102,978,764,692,415.75
  5. Step 5: Solve for x
    x = 2,102,978,764,692,415.75/48,871,574.51
  6. Step 6: Final answer
    x = 43,030,714.40

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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.