Home / 186,121,327.20-279,181,990.80-49,806,710.70

Finding the Fourth Proportional to 186,121,327.20, 279,181,990.80 and 49,806,710.70

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Solution

The fourth proportional to 186,121,327.20, 279,181,990.80 and 49,806,710.70 is: 74,710,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,121,327.20 : 279,181,990.80 = 49,806,710.70 : x
  2. Step 2: Convert to fraction form
    186,121,327.20/279,181,990.80 = 49,806,710.70/x
  3. Step 3: Cross multiply
    186,121,327.20x = 279,181,990.80 × 49,806,710.70
  4. Step 4: Simplify right side
    186,121,327.20x = 13,905,136,648,425,662
  5. Step 5: Solve for x
    x = 13,905,136,648,425,662/186,121,327.20
  6. Step 6: Final answer
    x = 74,710,066.05

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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.