Home / 49,871,388.40-74,854,321.80-30,739,512.40

Finding the Fourth Proportional to 49,871,388.40, 74,854,321.80 and 30,739,512.40

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Solution

The fourth proportional to 49,871,388.40, 74,854,321.80 and 30,739,512.40 is: 46,138,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871,388.40 : 74,854,321.80 = 30,739,512.40 : x
  2. Step 2: Convert to fraction form
    49,871,388.40/74,854,321.80 = 30,739,512.40/x
  3. Step 3: Cross multiply
    49,871,388.40x = 74,854,321.80 × 30,739,512.40
  4. Step 4: Simplify right side
    49,871,388.40x = 2,300,985,353,164,690
  5. Step 5: Solve for x
    x = 2,300,985,353,164,690/49,871,388.40
  6. Step 6: Final answer
    x = 46,138,385.70

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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.