Home / 186,029,501.20-279,044,251.80-145,674,480.40

Finding the Fourth Proportional to 186,029,501.20, 279,044,251.80 and 145,674,480.40

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Solution

The fourth proportional to 186,029,501.20, 279,044,251.80 and 145,674,480.40 is: 218,511,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,029,501.20 : 279,044,251.80 = 145,674,480.40 : x
  2. Step 2: Convert to fraction form
    186,029,501.20/279,044,251.80 = 145,674,480.40/x
  3. Step 3: Cross multiply
    186,029,501.20x = 279,044,251.80 × 145,674,480.40
  4. Step 4: Simplify right side
    186,029,501.20x = 40,649,626,389,571,768
  5. Step 5: Solve for x
    x = 40,649,626,389,571,768/186,029,501.20
  6. Step 6: Final answer
    x = 218,511,720.60

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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.