Home / 287,592,365.80-431,388,548.70-93,510,112.60

Finding the Fourth Proportional to 287,592,365.80, 431,388,548.70 and 93,510,112.60

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Solution

The fourth proportional to 287,592,365.80, 431,388,548.70 and 93,510,112.60 is: 140,265,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,592,365.80 : 431,388,548.70 = 93,510,112.60 : x
  2. Step 2: Convert to fraction form
    287,592,365.80/431,388,548.70 = 93,510,112.60/x
  3. Step 3: Cross multiply
    287,592,365.80x = 431,388,548.70 × 93,510,112.60
  4. Step 4: Simplify right side
    287,592,365.80x = 40,339,191,763,287,576
  5. Step 5: Solve for x
    x = 40,339,191,763,287,576/287,592,365.80
  6. Step 6: Final answer
    x = 140,265,168.90

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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.