Home / 186,189,145.80-279,409,689.90-83,900,531.40

Finding the Fourth Proportional to 186,189,145.80, 279,409,689.90 and 83,900,531.40

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Solution

The fourth proportional to 186,189,145.80, 279,409,689.90 and 83,900,531.40 is: 125,907,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,189,145.80 : 279,409,689.90 = 83,900,531.40 : x
  2. Step 2: Convert to fraction form
    186,189,145.80/279,409,689.90 = 83,900,531.40/x
  3. Step 3: Cross multiply
    186,189,145.80x = 279,409,689.90 × 83,900,531.40
  4. Step 4: Simplify right side
    186,189,145.80x = 23,442,621,460,919,212
  5. Step 5: Solve for x
    x = 23,442,621,460,919,212/186,189,145.80
  6. Step 6: Final answer
    x = 125,907,562.23

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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.