Home / 186,528,709.60-279,793,064.40-147,561,618.40

Finding the Fourth Proportional to 186,528,709.60, 279,793,064.40 and 147,561,618.40

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Solution

The fourth proportional to 186,528,709.60, 279,793,064.40 and 147,561,618.40 is: 221,342,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,528,709.60 : 279,793,064.40 = 147,561,618.40 : x
  2. Step 2: Convert to fraction form
    186,528,709.60/279,793,064.40 = 147,561,618.40/x
  3. Step 3: Cross multiply
    186,528,709.60x = 279,793,064.40 × 147,561,618.40
  4. Step 4: Simplify right side
    186,528,709.60x = 41,286,717,399,959,424
  5. Step 5: Solve for x
    x = 41,286,717,399,959,424/186,528,709.60
  6. Step 6: Final answer
    x = 221,342,427.60

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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.