Home / 163,551,845.80-245,327,768.70-117,635,343.40

Finding the Fourth Proportional to 163,551,845.80, 245,327,768.70 and 117,635,343.40

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Solution

The fourth proportional to 163,551,845.80, 245,327,768.70 and 117,635,343.40 is: 176,453,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,551,845.80 : 245,327,768.70 = 117,635,343.40 : x
  2. Step 2: Convert to fraction form
    163,551,845.80/245,327,768.70 = 117,635,343.40/x
  3. Step 3: Cross multiply
    163,551,845.80x = 245,327,768.70 × 117,635,343.40
  4. Step 4: Simplify right side
    163,551,845.80x = 28,859,216,316,580,272
  5. Step 5: Solve for x
    x = 28,859,216,316,580,272/163,551,845.80
  6. Step 6: Final answer
    x = 176,453,015.10

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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.