Home / 85,524,032.36-118,120,595.30-57,974,130.92

Finding the Fourth Proportional to 85,524,032.36, 118,120,595.30 and 57,974,130.92

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Solution

The fourth proportional to 85,524,032.36, 118,120,595.30 and 57,974,130.92 is: 80,070,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524,032.36 : 118,120,595.30 = 57,974,130.92 : x
  2. Step 2: Convert to fraction form
    85,524,032.36/118,120,595.30 = 57,974,130.92/x
  3. Step 3: Cross multiply
    85,524,032.36x = 118,120,595.30 × 57,974,130.92
  4. Step 4: Simplify right side
    85,524,032.36x = 6,847,938,856,270,537
  5. Step 5: Solve for x
    x = 6,847,938,856,270,537/85,524,032.36
  6. Step 6: Final answer
    x = 80,070,345.93

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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.