Home / 186,625,619.60-279,938,429.40-109,909,158.80

Finding the Fourth Proportional to 186,625,619.60, 279,938,429.40 and 109,909,158.80

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Solution

The fourth proportional to 186,625,619.60, 279,938,429.40 and 109,909,158.80 is: 164,863,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,619.60 : 279,938,429.40 = 109,909,158.80 : x
  2. Step 2: Convert to fraction form
    186,625,619.60/279,938,429.40 = 109,909,158.80/x
  3. Step 3: Cross multiply
    186,625,619.60x = 279,938,429.40 × 109,909,158.80
  4. Step 4: Simplify right side
    186,625,619.60x = 30,767,797,291,147,184
  5. Step 5: Solve for x
    x = 30,767,797,291,147,184/186,625,619.60
  6. Step 6: Final answer
    x = 164,863,738.20

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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.