Home / 117,359,810.30-176,039,715.45-112,383,947.90

Finding the Fourth Proportional to 117,359,810.30, 176,039,715.45 and 112,383,947.90

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Solution

The fourth proportional to 117,359,810.30, 176,039,715.45 and 112,383,947.90 is: 168,575,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,359,810.30 : 176,039,715.45 = 112,383,947.90 : x
  2. Step 2: Convert to fraction form
    117,359,810.30/176,039,715.45 = 112,383,947.90/x
  3. Step 3: Cross multiply
    117,359,810.30x = 176,039,715.45 × 112,383,947.90
  4. Step 4: Simplify right side
    117,359,810.30x = 19,784,038,209,463,624
  5. Step 5: Solve for x
    x = 19,784,038,209,463,624/117,359,810.30
  6. Step 6: Final answer
    x = 168,575,921.85

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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.