Home / 186,778,064.87-280,337,111.29-99,412,928.84

Finding the Fourth Proportional to 186,778,064.87, 280,337,111.29 and 99,412,928.84

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Solution

The fourth proportional to 186,778,064.87, 280,337,111.29 and 99,412,928.84 is: 149,209,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,778,064.87 : 280,337,111.29 = 99,412,928.84 : x
  2. Step 2: Convert to fraction form
    186,778,064.87/280,337,111.29 = 99,412,928.84/x
  3. Step 3: Cross multiply
    186,778,064.87x = 280,337,111.29 × 99,412,928.84
  4. Step 4: Simplify right side
    186,778,064.87x = 27,869,133,296,709,040
  5. Step 5: Solve for x
    x = 27,869,133,296,709,040/186,778,064.87
  6. Step 6: Final answer
    x = 149,209,883.49

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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.