Home / 116,032,063.80-173,859,138.90-85,421,062.20

Finding the Fourth Proportional to 116,032,063.80, 173,859,138.90 and 85,421,062.20

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Solution

The fourth proportional to 116,032,063.80, 173,859,138.90 and 85,421,062.20 is: 127,992,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,032,063.80 : 173,859,138.90 = 85,421,062.20 : x
  2. Step 2: Convert to fraction form
    116,032,063.80/173,859,138.90 = 85,421,062.20/x
  3. Step 3: Cross multiply
    116,032,063.80x = 173,859,138.90 × 85,421,062.20
  4. Step 4: Simplify right side
    116,032,063.80x = 14,851,232,318,015,340
  5. Step 5: Solve for x
    x = 14,851,232,318,015,340/116,032,063.80
  6. Step 6: Final answer
    x = 127,992,486.14

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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.