Home / 98,821,748.79-136,374,026.04-54,771,591.47

Finding the Fourth Proportional to 98,821,748.79, 136,374,026.04 and 54,771,591.47

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Solution

The fourth proportional to 98,821,748.79, 136,374,026.04 and 54,771,591.47 is: 75,584,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,821,748.79 : 136,374,026.04 = 54,771,591.47 : x
  2. Step 2: Convert to fraction form
    98,821,748.79/136,374,026.04 = 54,771,591.47/x
  3. Step 3: Cross multiply
    98,821,748.79x = 136,374,026.04 × 54,771,591.47
  4. Step 4: Simplify right side
    98,821,748.79x = 7,469,422,440,700,152
  5. Step 5: Solve for x
    x = 7,469,422,440,700,152/98,821,748.79
  6. Step 6: Final answer
    x = 75,584,803.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.