Home / 99,849,984.30-149,774,976.45-79,694,592.30

Finding the Fourth Proportional to 99,849,984.30, 149,774,976.45 and 79,694,592.30

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Solution

The fourth proportional to 99,849,984.30, 149,774,976.45 and 79,694,592.30 is: 119,541,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,849,984.30 : 149,774,976.45 = 79,694,592.30 : x
  2. Step 2: Convert to fraction form
    99,849,984.30/149,774,976.45 = 79,694,592.30/x
  3. Step 3: Cross multiply
    99,849,984.30x = 149,774,976.45 × 79,694,592.30
  4. Step 4: Simplify right side
    99,849,984.30x = 11,936,255,684,924,850
  5. Step 5: Solve for x
    x = 11,936,255,684,924,850/99,849,984.30
  6. Step 6: Final answer
    x = 119,541,888.45

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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.