Home / 84,250,829.40-126,376,244.10-61,408,051.80

Finding the Fourth Proportional to 84,250,829.40, 126,376,244.10 and 61,408,051.80

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Solution

The fourth proportional to 84,250,829.40, 126,376,244.10 and 61,408,051.80 is: 92,112,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,250,829.40 : 126,376,244.10 = 61,408,051.80 : x
  2. Step 2: Convert to fraction form
    84,250,829.40/126,376,244.10 = 61,408,051.80/x
  3. Step 3: Cross multiply
    84,250,829.40x = 126,376,244.10 × 61,408,051.80
  4. Step 4: Simplify right side
    84,250,829.40x = 7,760,518,943,982,244
  5. Step 5: Solve for x
    x = 7,760,518,943,982,244/84,250,829.40
  6. Step 6: Final answer
    x = 92,112,077.70

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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.