Home / 270,051,239.60-405,087,918.60-78,575,015.60

Finding the Fourth Proportional to 270,051,239.60, 405,087,918.60 and 78,575,015.60

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Solution

The fourth proportional to 270,051,239.60, 405,087,918.60 and 78,575,015.60 is: 117,865,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,051,239.60 : 405,087,918.60 = 78,575,015.60 : x
  2. Step 2: Convert to fraction form
    270,051,239.60/405,087,918.60 = 78,575,015.60/x
  3. Step 3: Cross multiply
    270,051,239.60x = 405,087,918.60 × 78,575,015.60
  4. Step 4: Simplify right side
    270,051,239.60x = 31,829,789,523,366,528
  5. Step 5: Solve for x
    x = 31,829,789,523,366,528/270,051,239.60
  6. Step 6: Final answer
    x = 117,865,741.22

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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.