Home / 127,174,952.80-190,762,429.20-31,436,840.80

Finding the Fourth Proportional to 127,174,952.80, 190,762,429.20 and 31,436,840.80

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Solution

The fourth proportional to 127,174,952.80, 190,762,429.20 and 31,436,840.80 is: 47,155,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,174,952.80 : 190,762,429.20 = 31,436,840.80 : x
  2. Step 2: Convert to fraction form
    127,174,952.80/190,762,429.20 = 31,436,840.80/x
  3. Step 3: Cross multiply
    127,174,952.80x = 190,762,429.20 × 31,436,840.80
  4. Step 4: Simplify right side
    127,174,952.80x = 5,996,968,117,381,671
  5. Step 5: Solve for x
    x = 5,996,968,117,381,671/127,174,952.80
  6. Step 6: Final answer
    x = 47,155,261.20

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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.