Home / 165,923,123.90-248,884,685.85-43,091,362.40

Finding the Fourth Proportional to 165,923,123.90, 248,884,685.85 and 43,091,362.40

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Solution

The fourth proportional to 165,923,123.90, 248,884,685.85 and 43,091,362.40 is: 64,637,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,923,123.90 : 248,884,685.85 = 43,091,362.40 : x
  2. Step 2: Convert to fraction form
    165,923,123.90/248,884,685.85 = 43,091,362.40/x
  3. Step 3: Cross multiply
    165,923,123.90x = 248,884,685.85 × 43,091,362.40
  4. Step 4: Simplify right side
    165,923,123.90x = 10,724,780,193,772,502
  5. Step 5: Solve for x
    x = 10,724,780,193,772,502/165,923,123.90
  6. Step 6: Final answer
    x = 64,637,043.60

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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.