Home / 77,773,044.90-116,643,731.73-28,571,987.85

Finding the Fourth Proportional to 77,773,044.90, 116,643,731.73 and 28,571,987.85

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Solution

The fourth proportional to 77,773,044.90, 116,643,731.73 and 28,571,987.85 is: 42,852,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,773,044.90 : 116,643,731.73 = 28,571,987.85 : x
  2. Step 2: Convert to fraction form
    77,773,044.90/116,643,731.73 = 28,571,987.85/x
  3. Step 3: Cross multiply
    77,773,044.90x = 116,643,731.73 × 28,571,987.85
  4. Step 4: Simplify right side
    77,773,044.90x = 3,332,743,285,768,220
  5. Step 5: Solve for x
    x = 3,332,743,285,768,220/77,773,044.90
  6. Step 6: Final answer
    x = 42,852,164.14

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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.