Home / 51,502,255.56-77,241,398.04-19,169,385.12

Finding the Fourth Proportional to 51,502,255.56, 77,241,398.04 and 19,169,385.12

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Solution

The fourth proportional to 51,502,255.56, 77,241,398.04 and 19,169,385.12 is: 28,749,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502,255.56 : 77,241,398.04 = 19,169,385.12 : x
  2. Step 2: Convert to fraction form
    51,502,255.56/77,241,398.04 = 19,169,385.12/x
  3. Step 3: Cross multiply
    51,502,255.56x = 77,241,398.04 × 19,169,385.12
  4. Step 4: Simplify right side
    51,502,255.56x = 1,480,670,106,235,973.25
  5. Step 5: Solve for x
    x = 1,480,670,106,235,973.25/51,502,255.56
  6. Step 6: Final answer
    x = 28,749,616.69

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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.