Home / 200,959,270.40-301,438,905.60-64,644,653.90

Finding the Fourth Proportional to 200,959,270.40, 301,438,905.60 and 64,644,653.90

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Solution

The fourth proportional to 200,959,270.40, 301,438,905.60 and 64,644,653.90 is: 96,966,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,959,270.40 : 301,438,905.60 = 64,644,653.90 : x
  2. Step 2: Convert to fraction form
    200,959,270.40/301,438,905.60 = 64,644,653.90/x
  3. Step 3: Cross multiply
    200,959,270.40x = 301,438,905.60 × 64,644,653.90
  4. Step 4: Simplify right side
    200,959,270.40x = 19,486,413,724,506,772
  5. Step 5: Solve for x
    x = 19,486,413,724,506,772/200,959,270.40
  6. Step 6: Final answer
    x = 96,966,980.85

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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.