Home / 153,308,996.06-211,565,338.30-83,694,376.94

Finding the Fourth Proportional to 153,308,996.06, 211,565,338.30 and 83,694,376.94

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Solution

The fourth proportional to 153,308,996.06, 211,565,338.30 and 83,694,376.94 is: 115,497,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,308,996.06 : 211,565,338.30 = 83,694,376.94 : x
  2. Step 2: Convert to fraction form
    153,308,996.06/211,565,338.30 = 83,694,376.94/x
  3. Step 3: Cross multiply
    153,308,996.06x = 211,565,338.30 × 83,694,376.94
  4. Step 4: Simplify right side
    153,308,996.06x = 17,706,829,171,118,820
  5. Step 5: Solve for x
    x = 17,706,829,171,118,820/153,308,996.06
  6. Step 6: Final answer
    x = 115,497,652.62

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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.