Home / 51,502,172.76-77,241,274.32-19,169,302.32

Finding the Fourth Proportional to 51,502,172.76, 77,241,274.32 and 19,169,302.32

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Solution

The fourth proportional to 51,502,172.76, 77,241,274.32 and 19,169,302.32 is: 28,749,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502,172.76 : 77,241,274.32 = 19,169,302.32 : x
  2. Step 2: Convert to fraction form
    51,502,172.76/77,241,274.32 = 19,169,302.32/x
  3. Step 3: Cross multiply
    51,502,172.76x = 77,241,274.32 × 19,169,302.32
  4. Step 4: Simplify right side
    51,502,172.76x = 1,480,661,339,022,132.25
  5. Step 5: Solve for x
    x = 1,480,661,339,022,132.25/51,502,172.76
  6. Step 6: Final answer
    x = 28,749,492.68

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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.