Home / 85,235,826.48-117,657,427.14-55,869,050.76

Finding the Fourth Proportional to 85,235,826.48, 117,657,427.14 and 55,869,050.76

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Solution

The fourth proportional to 85,235,826.48, 117,657,427.14 and 55,869,050.76 is: 77,120,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235,826.48 : 117,657,427.14 = 55,869,050.76 : x
  2. Step 2: Convert to fraction form
    85,235,826.48/117,657,427.14 = 55,869,050.76/x
  3. Step 3: Cross multiply
    85,235,826.48x = 117,657,427.14 × 55,869,050.76
  4. Step 4: Simplify right side
    85,235,826.48x = 6,573,408,769,175,661
  5. Step 5: Solve for x
    x = 6,573,408,769,175,661/85,235,826.48
  6. Step 6: Final answer
    x = 77,120,256.13

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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.