Home / 95,980,999.20-143,971,498.80-42,128,311.20

Finding the Fourth Proportional to 95,980,999.20, 143,971,498.80 and 42,128,311.20

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Solution

The fourth proportional to 95,980,999.20, 143,971,498.80 and 42,128,311.20 is: 63,192,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,980,999.20 : 143,971,498.80 = 42,128,311.20 : x
  2. Step 2: Convert to fraction form
    95,980,999.20/143,971,498.80 = 42,128,311.20/x
  3. Step 3: Cross multiply
    95,980,999.20x = 143,971,498.80 × 42,128,311.20
  4. Step 4: Simplify right side
    95,980,999.20x = 6,065,276,105,376,827
  5. Step 5: Solve for x
    x = 6,065,276,105,376,827/95,980,999.20
  6. Step 6: Final answer
    x = 63,192,466.80

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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.