Home / 186,625,631.60-279,938,447.40-147,658,540.40

Finding the Fourth Proportional to 186,625,631.60, 279,938,447.40 and 147,658,540.40

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Solution

The fourth proportional to 186,625,631.60, 279,938,447.40 and 147,658,540.40 is: 221,487,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,631.60 : 279,938,447.40 = 147,658,540.40 : x
  2. Step 2: Convert to fraction form
    186,625,631.60/279,938,447.40 = 147,658,540.40/x
  3. Step 3: Cross multiply
    186,625,631.60x = 279,938,447.40 × 147,658,540.40
  4. Step 4: Simplify right side
    186,625,631.60x = 41,335,302,544,926,176
  5. Step 5: Solve for x
    x = 41,335,302,544,926,176/186,625,631.60
  6. Step 6: Final answer
    x = 221,487,810.60

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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.