Home / 131,914,850.40-197,872,275.60-99,178,084.80

Finding the Fourth Proportional to 131,914,850.40, 197,872,275.60 and 99,178,084.80

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Solution

The fourth proportional to 131,914,850.40, 197,872,275.60 and 99,178,084.80 is: 148,767,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,914,850.40 : 197,872,275.60 = 99,178,084.80 : x
  2. Step 2: Convert to fraction form
    131,914,850.40/197,872,275.60 = 99,178,084.80/x
  3. Step 3: Cross multiply
    131,914,850.40x = 197,872,275.60 × 99,178,084.80
  4. Step 4: Simplify right side
    131,914,850.40x = 19,624,593,329,025,768
  5. Step 5: Solve for x
    x = 19,624,593,329,025,768/131,914,850.40
  6. Step 6: Final answer
    x = 148,767,127.20

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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.