Home / 186,626,541.40-279,939,812.10-168,486,688.60

Finding the Fourth Proportional to 186,626,541.40, 279,939,812.10 and 168,486,688.60

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Solution

The fourth proportional to 186,626,541.40, 279,939,812.10 and 168,486,688.60 is: 252,730,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626,541.40 : 279,939,812.10 = 168,486,688.60 : x
  2. Step 2: Convert to fraction form
    186,626,541.40/279,939,812.10 = 168,486,688.60/x
  3. Step 3: Cross multiply
    186,626,541.40x = 279,939,812.10 × 168,486,688.60
  4. Step 4: Simplify right side
    186,626,541.40x = 47,166,131,948,035,216
  5. Step 5: Solve for x
    x = 47,166,131,948,035,216/186,626,541.40
  6. Step 6: Final answer
    x = 252,730,032.90

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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.