Home / 112,994,103.60-155,948,881.53-68,966,687.16

Finding the Fourth Proportional to 112,994,103.60, 155,948,881.53 and 68,966,687.16

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Solution

The fourth proportional to 112,994,103.60, 155,948,881.53 and 68,966,687.16 is: 95,184,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,994,103.60 : 155,948,881.53 = 68,966,687.16 : x
  2. Step 2: Convert to fraction form
    112,994,103.60/155,948,881.53 = 68,966,687.16/x
  3. Step 3: Cross multiply
    112,994,103.60x = 155,948,881.53 × 68,966,687.16
  4. Step 4: Simplify right side
    112,994,103.60x = 10,755,277,725,431,412
  5. Step 5: Solve for x
    x = 10,755,277,725,431,412/112,994,103.60
  6. Step 6: Final answer
    x = 95,184,415.67

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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.