Home / 77,760,579.90-116,584,882.65-43,692,368.70

Finding the Fourth Proportional to 77,760,579.90, 116,584,882.65 and 43,692,368.70

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Solution

The fourth proportional to 77,760,579.90, 116,584,882.65 and 43,692,368.70 is: 65,507,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,579.90 : 116,584,882.65 = 43,692,368.70 : x
  2. Step 2: Convert to fraction form
    77,760,579.90/116,584,882.65 = 43,692,368.70/x
  3. Step 3: Cross multiply
    77,760,579.90x = 116,584,882.65 × 43,692,368.70
  4. Step 4: Simplify right side
    77,760,579.90x = 5,093,869,677,590,034
  5. Step 5: Solve for x
    x = 5,093,869,677,590,034/77,760,579.90
  6. Step 6: Final answer
    x = 65,507,094.78

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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.