Home / 144,314,172.13-216,507,351.80-42,078,209.75

Finding the Fourth Proportional to 144,314,172.13, 216,507,351.80 and 42,078,209.75

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Solution

The fourth proportional to 144,314,172.13, 216,507,351.80 and 42,078,209.75 is: 63,127,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,314,172.13 : 216,507,351.80 = 42,078,209.75 : x
  2. Step 2: Convert to fraction form
    144,314,172.13/216,507,351.80 = 42,078,209.75/x
  3. Step 3: Cross multiply
    144,314,172.13x = 216,507,351.80 × 42,078,209.75
  4. Step 4: Simplify right side
    144,314,172.13x = 9,110,241,761,247,048
  5. Step 5: Solve for x
    x = 9,110,241,761,247,048/144,314,172.13
  6. Step 6: Final answer
    x = 63,127,838.57

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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.