Home / 48,871,645.60-73,348,802.70-20,138,402.20

Finding the Fourth Proportional to 48,871,645.60, 73,348,802.70 and 20,138,402.20

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Solution

The fourth proportional to 48,871,645.60, 73,348,802.70 and 20,138,402.20 is: 30,224,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,871,645.60 : 73,348,802.70 = 20,138,402.20 : x
  2. Step 2: Convert to fraction form
    48,871,645.60/73,348,802.70 = 20,138,402.20/x
  3. Step 3: Cross multiply
    48,871,645.60x = 73,348,802.70 × 20,138,402.20
  4. Step 4: Simplify right side
    48,871,645.60x = 1,477,127,689,661,046
  5. Step 5: Solve for x
    x = 1,477,127,689,661,046/48,871,645.60
  6. Step 6: Final answer
    x = 30,224,635.81

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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.