Home / 48,706,689.47-67,189,748.27-30,115,886.81

Finding the Fourth Proportional to 48,706,689.47, 67,189,748.27 and 30,115,886.81

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Solution

The fourth proportional to 48,706,689.47, 67,189,748.27 and 30,115,886.81 is: 41,544,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,706,689.47 : 67,189,748.27 = 30,115,886.81 : x
  2. Step 2: Convert to fraction form
    48,706,689.47/67,189,748.27 = 30,115,886.81/x
  3. Step 3: Cross multiply
    48,706,689.47x = 67,189,748.27 × 30,115,886.81
  4. Step 4: Simplify right side
    48,706,689.47x = 2,023,478,853,205,185.25
  5. Step 5: Solve for x
    x = 2,023,478,853,205,185.25/48,706,689.47
  6. Step 6: Final answer
    x = 41,544,167.25

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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.