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Finding the Fourth Proportional to 186,605,898.80, 279,908,848.20 and 50,291,282.30

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Solution

The fourth proportional to 186,605,898.80, 279,908,848.20 and 50,291,282.30 is: 75,436,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,605,898.80 : 279,908,848.20 = 50,291,282.30 : x
  2. Step 2: Convert to fraction form
    186,605,898.80/279,908,848.20 = 50,291,282.30/x
  3. Step 3: Cross multiply
    186,605,898.80x = 279,908,848.20 × 50,291,282.30
  4. Step 4: Simplify right side
    186,605,898.80x = 14,076,974,903,094,046
  5. Step 5: Solve for x
    x = 14,076,974,903,094,046/186,605,898.80
  6. Step 6: Final answer
    x = 75,436,923.45

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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.