Home / 131,914,851.40-197,872,277.10-99,178,085.80

Finding the Fourth Proportional to 131,914,851.40, 197,872,277.10 and 99,178,085.80

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Solution

The fourth proportional to 131,914,851.40, 197,872,277.10 and 99,178,085.80 is: 148,767,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,914,851.40 : 197,872,277.10 = 99,178,085.80 : x
  2. Step 2: Convert to fraction form
    131,914,851.40/197,872,277.10 = 99,178,085.80/x
  3. Step 3: Cross multiply
    131,914,851.40x = 197,872,277.10 × 99,178,085.80
  4. Step 4: Simplify right side
    131,914,851.40x = 19,624,593,675,665,172
  5. Step 5: Solve for x
    x = 19,624,593,675,665,172/131,914,851.40
  6. Step 6: Final answer
    x = 148,767,128.70

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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.