Home / 55,209,088.98-76,190,874.21-30,762,796.50

Finding the Fourth Proportional to 55,209,088.98, 76,190,874.21 and 30,762,796.50

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Solution

The fourth proportional to 55,209,088.98, 76,190,874.21 and 30,762,796.50 is: 42,453,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209,088.98 : 76,190,874.21 = 30,762,796.50 : x
  2. Step 2: Convert to fraction form
    55,209,088.98/76,190,874.21 = 30,762,796.50/x
  3. Step 3: Cross multiply
    55,209,088.98x = 76,190,874.21 × 30,762,796.50
  4. Step 4: Simplify right side
    55,209,088.98x = 2,343,844,358,479,328
  5. Step 5: Solve for x
    x = 2,343,844,358,479,328/55,209,088.98
  6. Step 6: Final answer
    x = 42,453,958.25

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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.