Home / 186,808,189.90-279,969,199.80-76,014,715.22

Finding the Fourth Proportional to 186,808,189.90, 279,969,199.80 and 76,014,715.22

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Solution

The fourth proportional to 186,808,189.90, 279,969,199.80 and 76,014,715.22 is: 113,923,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,808,189.90 : 279,969,199.80 = 76,014,715.22 : x
  2. Step 2: Convert to fraction form
    186,808,189.90/279,969,199.80 = 76,014,715.22/x
  3. Step 3: Cross multiply
    186,808,189.90x = 279,969,199.80 × 76,014,715.22
  4. Step 4: Simplify right side
    186,808,189.90x = 21,281,778,993,168,280
  5. Step 5: Solve for x
    x = 21,281,778,993,168,280/186,808,189.90
  6. Step 6: Final answer
    x = 113,923,158.32

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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.