Home / 129,555,938.27-194,333,907.40-43,294,345.01

Finding the Fourth Proportional to 129,555,938.27, 194,333,907.40 and 43,294,345.01

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Solution

The fourth proportional to 129,555,938.27, 194,333,907.40 and 43,294,345.01 is: 64,941,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,555,938.27 : 194,333,907.40 = 43,294,345.01 : x
  2. Step 2: Convert to fraction form
    129,555,938.27/194,333,907.40 = 43,294,345.01/x
  3. Step 3: Cross multiply
    129,555,938.27x = 194,333,907.40 × 43,294,345.01
  4. Step 4: Simplify right side
    129,555,938.27x = 8,413,559,234,434,158
  5. Step 5: Solve for x
    x = 8,413,559,234,434,158/129,555,938.27
  6. Step 6: Final answer
    x = 64,941,517.52

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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.