Home / 77,736,021.60-116,604,032.40-65,642,786.40

Finding the Fourth Proportional to 77,736,021.60, 116,604,032.40 and 65,642,786.40

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Solution

The fourth proportional to 77,736,021.60, 116,604,032.40 and 65,642,786.40 is: 98,464,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,736,021.60 : 116,604,032.40 = 65,642,786.40 : x
  2. Step 2: Convert to fraction form
    77,736,021.60/116,604,032.40 = 65,642,786.40/x
  3. Step 3: Cross multiply
    77,736,021.60x = 116,604,032.40 × 65,642,786.40
  4. Step 4: Simplify right side
    77,736,021.60x = 7,654,213,592,211,880
  5. Step 5: Solve for x
    x = 7,654,213,592,211,880/77,736,021.60
  6. Step 6: Final answer
    x = 98,464,179.60

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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.