Home / 77,128,952.04-115,694,106-19,621,284

Finding the Fourth Proportional to 77,128,952.04, 115,694,106 and 19,621,284

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Solution

The fourth proportional to 77,128,952.04, 115,694,106 and 19,621,284 is: 29,432,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,128,952.04 : 115,694,106 = 19,621,284 : x
  2. Step 2: Convert to fraction form
    77,128,952.04/115,694,106 = 19,621,284/x
  3. Step 3: Cross multiply
    77,128,952.04x = 115,694,106 × 19,621,284
  4. Step 4: Simplify right side
    77,128,952.04x = 2,270,066,910,952,104
  5. Step 5: Solve for x
    x = 2,270,066,910,952,104/77,128,952.04
  6. Step 6: Final answer
    x = 29,432,098.47

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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.