Home / 136,484,172.80-204,726,259.20-84,828,107.60

Finding the Fourth Proportional to 136,484,172.80, 204,726,259.20 and 84,828,107.60

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Solution

The fourth proportional to 136,484,172.80, 204,726,259.20 and 84,828,107.60 is: 127,242,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,484,172.80 : 204,726,259.20 = 84,828,107.60 : x
  2. Step 2: Convert to fraction form
    136,484,172.80/204,726,259.20 = 84,828,107.60/x
  3. Step 3: Cross multiply
    136,484,172.80x = 204,726,259.20 × 84,828,107.60
  4. Step 4: Simplify right side
    136,484,172.80x = 17,366,541,143,963,088
  5. Step 5: Solve for x
    x = 17,366,541,143,963,088/136,484,172.80
  6. Step 6: Final answer
    x = 127,242,161.40

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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.