Home / 136,484,168.80-204,726,253.20-84,828,103.60

Finding the Fourth Proportional to 136,484,168.80, 204,726,253.20 and 84,828,103.60

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Solution

The fourth proportional to 136,484,168.80, 204,726,253.20 and 84,828,103.60 is: 127,242,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,484,168.80 : 204,726,253.20 = 84,828,103.60 : x
  2. Step 2: Convert to fraction form
    136,484,168.80/204,726,253.20 = 84,828,103.60/x
  3. Step 3: Cross multiply
    136,484,168.80x = 204,726,253.20 × 84,828,103.60
  4. Step 4: Simplify right side
    136,484,168.80x = 17,366,539,816,089,430
  5. Step 5: Solve for x
    x = 17,366,539,816,089,430/136,484,168.80
  6. Step 6: Final answer
    x = 127,242,155.40

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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.