Home / 270,051,293.60-405,087,999.60-78,575,069.60

Finding the Fourth Proportional to 270,051,293.60, 405,087,999.60 and 78,575,069.60

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Solution

The fourth proportional to 270,051,293.60, 405,087,999.60 and 78,575,069.60 is: 117,865,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,051,293.60 : 405,087,999.60 = 78,575,069.60 : x
  2. Step 2: Convert to fraction form
    270,051,293.60/405,087,999.60 = 78,575,069.60/x
  3. Step 3: Cross multiply
    270,051,293.60x = 405,087,999.60 × 78,575,069.60
  4. Step 4: Simplify right side
    270,051,293.60x = 31,829,817,762,694,772
  5. Step 5: Solve for x
    x = 31,829,817,762,694,772/270,051,293.60
  6. Step 6: Final answer
    x = 117,865,822.22

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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.