Home / 186,624,279.40-279,936,419.10-125,710,205.80

Finding the Fourth Proportional to 186,624,279.40, 279,936,419.10 and 125,710,205.80

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Solution

The fourth proportional to 186,624,279.40, 279,936,419.10 and 125,710,205.80 is: 188,565,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,279.40 : 279,936,419.10 = 125,710,205.80 : x
  2. Step 2: Convert to fraction form
    186,624,279.40/279,936,419.10 = 125,710,205.80/x
  3. Step 3: Cross multiply
    186,624,279.40x = 279,936,419.10 × 125,710,205.80
  4. Step 4: Simplify right side
    186,624,279.40x = 35,190,864,855,976,052
  5. Step 5: Solve for x
    x = 35,190,864,855,976,052/186,624,279.40
  6. Step 6: Final answer
    x = 188,565,308.70

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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.